{"id":39096,"date":"2026-07-28T11:28:42","date_gmt":"2026-07-28T09:28:42","guid":{"rendered":"https:\/\/artiqo.de\/10-years-of-the-a2-short-stem-an-assessment-balancing-evidence-and-further-development\/"},"modified":"2026-10-29T12:48:08","modified_gmt":"2026-10-29T11:48:08","slug":"10-years-of-the-a2-short-stem-an-assessment-balancing-evidence-and-further-development","status":"publish","type":"post","link":"https:\/\/artiqo.de\/en\/10-years-of-the-a2-short-stem-an-assessment-balancing-evidence-and-further-development\/","title":{"rendered":"10 Years of the A2\u00ae Short Stem: An Assessment Balancing Evidence and Further Development"},"content":{"rendered":"

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10 Years of the A2\u00ae Short Stem: An Assessment Balancing Evidence and Further Development<\/h1>\n

[\/vc_column_text][vc_column_text]On July 10, 2026, approximately 120 participants\u2014many of whom have long been associated with the A2\u00ae short-stem implant\u2014gathered for the “10 Years of the A2\u00ae Short-Stem” symposium. Set against the backdrop of beautiful summer weather and a view of Cologne Cathedral, the event was held under the scientific leadership of PD Dr. med. Thomas Randau and Dr. med. Thorsten Hillmann, both based in Cologne. The program looked back on a product milestone and a decade during which short-stem arthroplasty has evolved from a niche solution into an established, integral part of clinical practice.<\/strong>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text]<\/p>\n

From Niche to Mainstream Treatment Option<\/h3>\n

PD Dr. Thomas Randau provided the historical context. The concept of the short-stem implant dates back to 1978, when Pipino introduced the first anatomically preconfigured design. The category now known as “calcar-guided short stems”\u2014which has included the A2\u00ae short stem since 2016\u2014began to gain a foothold in 2004 with the introduction of the Nanos stem.<\/p>\n

The shifts that have occurred over the past decade are reflected in the EPRD (German Arthroplasty Registry) data presented by Dr. Randau: while short stems accounted for approximately 5 percent of primary hip arthroplasties in 2014, that figure has risen to 23.3 percent according to the latest report. In his presentation, Prof. Dr. Sascha Gravius \u200b\u200b(Mannheim) also highlighted the frequency of this treatment approach; with more than 170,000 primary hip arthroplasties performed annually in Germany\u2014and a significant expansion in the range of indications\u2014the question arises: is there scientific evidence to support the use of short stems as a standard treatment option?[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39052″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233547375{margin-bottom: 30px !important;}”]PD Dr. Thomas Randau<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text css=”.vc_custom_1785234021978{margin-bottom: 30px !important;}”]<\/p>\n

Equivalent, not superior: the scientific assessment<\/h3>\n

Prof. Dr. Gravius \u200b\u200baddressed this question systematically in his presentation. His evaluation of biomechanics, randomized trials, and registry data led to a clear conclusion: the biomechanical advantages of the short stem\u2014bone preservation, reduced stress shielding, and more physiological load transmission\u2014are scientifically proven. However, clinical superiority over the standard stem cannot automatically be inferred from these findings. A ten-year follow-up from randomized controlled trials (Van Beers LWAH et al., Acta Orthop. 2024; 95: 99\u2013107) shows comparable functional outcomes and no significant difference in implant survival. Prof. Dr. Gravius\u2019s conclusion: it is not a superior treatment option, but rather an equivalent one, offering biological advantages and proven long-term safety. He explicitly noted that the lack of superiority should not be viewed as a disadvantage of the short stem, but rather as a reflection of the consistently high standard of modern joint replacement surgery.<\/p>\n

The biomechanical basis for this assessment was provided by Mario Frank (L\u00fcdinghausen): calcar-guided short stems facilitate more physiological load transmission through extensive medial contact compared to conventional straight stems. In this context, Frank pointed to a retrospective propensity-score-matched analysis of 3,053 total hip arthroplasties (Luger et al., J Arthroplasty 2023), which revealed a significantly lower rate of periprosthetic fractures with short stems (1.7% vs. 3.2%; p=0.015).<\/p>\n

Further presentations demonstrated that this assessment is supported by additional data. Prof. Dr. Stefan Budde (Bielefeld) presented an RSA (radiostereometric analysis) study involving 60 patients. Two-thirds of the A2\u00ae stems had reached their final position just one week after implantation\u2014an indication of very rapid primary stability. Dr. Sofia Kilgus (Cologne) presented the 5-year interim results of a multicenter observational study (n=171; 54.5% female, mean age 61.6 \u00b1 7.5 years, BMI 28.0 \u00b1 4.2). The majority of surgeries were performed using a minimally invasive approach (60.8%\u2014comprising 45.6% anterolateral, 42.7% dorsal, and 11.7% lateral approaches). The “B” stem type was used in 83.6% of cases, most frequently with 36 mm femoral heads (60.2%) and bearing couples consisting of either highly cross-linked polyethylene (60.8%) or ceramic (38.0%). Radiographic assessment in the anteroposterior (a.p.) plane showed cortical contact in zone 7 in 89.47% of cases; the fixation strategy was diagonal in 35.6% of cases and based on the “fit-and-fill” principle in 21.6%.<\/p>\n

From a clinical perspective, Dr. Kilgus reported five dislocations (2.9%) and an intraoperative complication rate of 1.17% (fissures). For comparison, she cited a study on the Metha stem (Aesculap), which reported a corresponding rate of 3.32% (Stauss et al. 2024). Over the entire five-year observation period, there were no stem revisions and no infections. The mean Harris Hip Score improved from 43.9 preoperatively to 95.6 points, following a trajectory typical for hip arthroplasty: a significant increase within the first three to twelve months, followed by a plateau with consistently good to excellent scores for mobility and patient satisfaction (including the Forgotten Joint Score and the UCLA Activity Score). These results were consistent across all five participating centers.<\/p>\n

Dr. Thorsten Plaumann further supported these findings with data from a large series in Sendenhorst. According to the clinic\u2019s own analysis of the German Arthroplasty Registry (EPRD), the survival rate of the A2\u00ae short stem at this institution rose from 97.1% (2022) to 98.1% (2023) and reached 99.4% (2024). This corresponds to an overall revision rate of 1% across approximately 1,000 implanted stems\u2014a significant proportion of which were performed by residents in training. His conclusion: “Be more daring with short stems.”[\/vc_column_text][qode_elements_holder number_of_columns=”two_columns”][qode_elements_holder_item advanced_animations=”no”][vc_single_image image=”39053″ img_size=”full” css=”.vc_custom_1785401845268{padding-right: 17px !important;}” qode_css_animation=””][vc_column_text css=”.vc_custom_1785235139638{margin-bottom: 30px !important;}”]Dr. Sofia Kilgus[\/vc_column_text][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=”no”][vc_single_image image=”39054″ img_size=”full” css=”.vc_custom_1785235072711{padding-left: 17px !important;}” qode_css_animation=””][vc_column_text css=”.vc_custom_1785235165176{margin-bottom: 30px !important;padding-left: 17px !important;}”]Dr. Thorsten Plaumann[\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39055″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233554001{margin-bottom: 30px !important;}”]Prof. Dr. med. Sascha Gravius[\/vc_column_text][vc_single_image image=”39056″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233682476{margin-bottom: 30px !important;}”]Mario Frank<\/p>\n

[\/vc_column_text][vc_single_image image=”39057″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233758176{margin-bottom: 30px !important;}”]Prof. Dr. Stefan Budde[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text]<\/p>\n

The cemented short stem provides an answer to a real clinical challenge<\/h3>\n

A significant further development is the cemented version of the A2\u00ae stem. Dr. Bertram Regenbrecht (Lilienthal) placed this innovation within a clear clinical context: data from the German Arthroplasty Registry (EPRD) indicate poorer outcomes for cementless short stems in patients over the age of 75, as well as in cases involving Dorr type B and C femurs\u2014specifically, a higher incidence of periprosthetic fractures. This aligns with the general EPRD recommendation to use cemented fixation for patients aged 75 and older. According to Dr. Regenbrecht, the cemented short stem effectively fills this gap in treatment options. Since its initial implantation in December 2020, the cemented A2\u00ae short stem has been used in approximately 7,000 cases across 85 hospitals, as reported by Dr. Regenbrecht.<\/p>\n

Prof. Dr. Budde and Dr. Regenbrecht presented data from a multicenter study on the cemented short stem. Among the 147 patients (mean age 78.5 \u00b1 5.2 years [range 66\u201394]; 72.8% female; mean BMI 26.1 \u00b1 3.5), the following adverse events were recorded: one stem revision due to aseptic subsidence (occurring approximately 2 months postoperatively) and one Vancouver type B2 periprosthetic fracture after approximately 3.2 years (requiring conversion to a Revitan stem). No dislocations occurred. The incidence rate for revisions was 0.71 per 100 patient-years (95% CI 0.18\u20132.84; based on 281.5 patient-years of observation). Regenbrecht emphasized the importance of correct cementing technique as a decisive factor for the outcome. Prof. Dr. Budde further highlighted the particular responsibility borne by surgeons\u2014given that the A2\u00ae short stem is currently the only cemented short stem available on the market\u2014and urged caution when determining indications.<\/p>\n

Prof. Dr. Johannes Zeichen (Minden) contextualized the use of the cemented short stem in fracture management. In his own study (n=403, 2021\u20132024), 69 percent of cases involved fracture patients with an average age of 83; of these, 88 percent had Dorr type B femurs and 8.1 percent had Dorr type C femurs. According to Prof. Dr. Zeichen, the cemented short stem makes it possible to extend the core short-stem philosophy\u2014bone preservation and soft-tissue sparing\u2014to a patient group that previously fell largely outside the classic range of indications: the primary demographic for joint replacement, namely those over the age of 75.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39058″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233561055{margin-bottom: 30px !important;}”]Dr. Bertram Regenbrecht<\/p>\n

[\/vc_column_text][vc_single_image image=”39059″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785235227533{margin-bottom: 30px !important;}”]Prof. Dr. Johannes Zeichen[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text]<\/p>\n

Individualizing Patient Care<\/h3>\n

Another key focus of the day was the increasingly nuanced approach to assessing and addressing individual anatomy. PD Dr. Tilman Graulich (Oldenburg) introduced the CPAH (Coronal Plane Alignment of the Hip) classification\u2014a new planning tool developed from over 2,300 cases. It categorizes patients into nine morphological groups based on a combination of Dorr type, femoral neck anatomy, and femoral offset. The goal is to identify, at an early stage, complex cases where a mismatch exists between a patient\u2019s anatomy and a standard implant.<\/p>\n

The practical relevance of this was highlighted in several presentations on borderline anatomical cases. Dr. Harald Kuhn (Lohne) and Dr. Jens Peters (Sulingen) independently explained that cases involving a narrow medullary canal (Dorr type A) combined with a high offset are particularly challenging to manage using standard or shortened straight stems. In such instances, a calcar-guided short stem\u2014like the A2\u00ae system\u2014offers greater flexibility, thanks to its variable offset and the ability to customize the resection level. Dr. Peters described the short stem as a “workhorse” for Dorr type A femurs.<\/p>\n

PD Dr. Lothar Seefried (W\u00fcrzburg) demonstrated the full extent to which such individualization can be applied. As an osteologist and specialist in rare musculoskeletal disorders, he pointed out that what appears to be an atypical case of osteoarthritis may actually be a rare metabolic or endocrine bone disease (such as Paget\u2019s disease, osteopetrosis, Gaucher\u2019s disease, or X-linked hypophosphatemia). Recognizing these conditions is crucial, as they can directly influence the choice between a cemented or cementless implant and may necessitate specific pre-operative treatment. His personal credo: taking just \u201cthree seconds longer\u201d to examine medical imaging can often spare one from significant problems in the operating room.<\/p>\n

Further, methodologically robust evidence for anatomical adaptability was provided by a randomized controlled trial presented by Dr. Jan-Philipp Imiolczyk from Berlin. The study included 40 patients, randomized to receive either the A2\u00ae stem (n=19) or a conventional straight stem (SL-Plus MIA by Smith & Nephew; n=21). Due to the absence of postoperative MRI scans, complete datasets for imaging-based endpoints were available for 18 patients in each group. Based on this cohort (n=18:18), the A2\u00ae short stem reconstructed the native femoral antetorsion with significantly greater precision (anatomy-tracking slope 0.88 vs. 0.46; \u03b2=-0.42, p=0.048) and demonstrated a significantly smaller postoperative increase in fatty infiltration of the tensor fasciae latae, gluteus medius, and gluteus minimus muscles (p<0.001 for each). Regarding clinical outcomes at six months\u2014measured using the Harris Hip Score\u2014there was no significant difference between the groups (96.6 vs. 94.7; p=0.374).[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39060″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233567764{margin-bottom: 30px !important;}”]PD Dr. Tilman Graulich<\/p>\n

[\/vc_column_text][vc_single_image image=”39061″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785238758500{margin-bottom: 30px !important;}”]Dr. Harald Kuhn[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”1\/3″][vc_single_image image=”39062″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785238814181{margin-bottom: 30px !important;}”]Dr. Jens Peters[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_single_image image=”39063″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785238884631{margin-bottom: 30px !important;}”]PD Dr. Lothar Seefried[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39064″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785238967791{margin-bottom: 30px !important;}”]Dr. Jan-Philipp Imiolczyk<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text css=”.vc_custom_1785267258877{margin-bottom: 30px !important;}”]<\/p>\n

Age, Weight, and Sports<\/h3>\n

Using data from the Eduardus Hospital, Dr. Thorsten Hillmann provided further evidence for an individualized approach regarding the risks associated with age and body weight. In a retrospective analysis of over 600 patients aged 80 and older (excluding Dorr type C femurs), the group treated with short-stem implants (n=413, mean age 83.7 years) showed lower rates of fissures\/fractures (2.17% vs. 3.65%) and dislocations (0.96% vs. 4.71%) compared to a group treated with standard-stem implants (n=191). His core conclusion: the indication for surgery should be guided not by chronological age alone, but by bone quality\u2014assessed using the Dorr classification.<\/p>\n

In a second study\u2014focusing on patients with a high BMI (130 patients with a BMI > 40 compared to 120 control patients with a BMI of 20\u201329.9; 34-month follow-up; 85.6% response rate)\u2014the high-BMI group (BMI > 40) exhibited longer operative times (72 vs. 58 minutes) as well as a higher number of dislocations (4 vs. 1) and revisions (8 vs. 4). No periprosthetic fractures occurred in either group. Dr. Hillmann\u2019s interpretation: the increased complication rate observed in patients with a high BMI is not attributable to the short-stem implant itself, but rather to patient-related factors.<\/p>\n

Dr. [Hillmann] further explored this correlation between body weight and risk… Stephanie Kirschbaum, Berlin: According to data from the EPRD (n=403,073 elective total hip arthroplasties), the risk of revision increases threefold at a BMI of 35 and sixfold at a BMI of 40 (L\u00fctzner et al. 2025). She noted that a pre-treatment period of at least three months\u2014involving either bariatric surgery or the use of GLP-1 agonists\u2014could reduce the risk of periprosthetic infection by up to 50 percent.<\/p>\n

The question of how much physical activity or athletic strain an implant can withstand must also be addressed on an individual basis. Prof. Dr. Henning Windhagen (Hanover) emphasized that external, visible forces should not be equated with the actual internal joint contact forces. He illustrated this point by citing data from studies involving instrumented knee prostheses. The material stress placed on modern hip implants\u2014approximately 25 MPa\u2014is typically well below the critical threshold. However, wear correlates with cumulative load: in a model calculation presented by Prof. Dr. Windhagen, the estimated service life of an implant dropped from 25.7 years (under conditions of walking only) to 15.4 years when 80 km of cycling per week was added.[\/vc_column_text][qode_elements_holder number_of_columns=”two_columns”][qode_elements_holder_item advanced_animations=”no”][vc_single_image image=”39065″ img_size=”full” css=”.vc_custom_1785267224394{padding-right: 17px !important;}” qode_css_animation=””][vc_column_text css=”.vc_custom_1785267170860{margin-bottom: 30px !important;}”]Prof. Dr. Henning Windhagen[\/vc_column_text][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=”no”][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39066″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233585348{margin-bottom: 30px !important;}”]Dr. Thorsten Hillmann[\/vc_column_text][vc_single_image image=”39067″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233382480{margin-bottom: 30px !important;}”]Dr. Stephanie Kirschbaum[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text]<\/p>\n

Functional Planning Instead of a “Safe Zone”<\/h3>\n

Regarding acetabular component positioning, the prevailing trend has shifted away from rigid target values \u200b\u200btoward individualized planning. Dr. Frank Horst (Sendenhorst) advocated for adjusting the acetabular anteversion based on the actual anteversion achieved in the femoral stem, rather than aiming for a fixed “safe zone” (as defined by Lewinnek). He suggested that a combined anteversion of 25 to 45 degrees is a more practical target, given that the acetabulum and the femur function as a single system. This approach is particularly well-suited for short-stem implants, where stem torsion varies significantly from patient to patient, allowing the acetabular position to be tailored to the specific placement of the stem. In contrast, standard stems often necessitate certain compromises.<\/p>\n

Prof. Dr. Peter Schr\u00e4der (Seeheim-Jugenheim) approached the same topic from a technological perspective, focusing on robot-assisted hip arthroplasty. He offered a critical assessment of the current trend toward robotics: while international literature consistently indicates improved radiological precision in implant positioning, any additional clinical benefit\u2014in terms of patient-reported outcome measures (PROMs) or revision rates\u2014remains statistically tenuous and potentially confounded by other variables. Prof. Dr. Schr\u00e4der argued that the true value of robotics lies less in the tool itself and more in a shift in methodology\u2014an “intellectual approach to implantation”\u2014which accounts for spinopelvic imbalance and utilizes a functional, combined anteversion rather than adhering to a rigid safe zone. He cited a study (Iorio et al. 2025) showing that when the acetabular position is planned functionally and tailored to the individual patient, 92 percent of the components fall outside the traditional Lewinnek “safe zone.”<\/p>\n

Regarding surgical technique itself, the focus has also shifted toward tissue preservation and individualization. Prof. Dr. Timm Filler (D\u00fcsseldorf) added an anatomical perspective: since proprioception is primarily located within the connective tissue and is part of the pain-signaling system, there are sound anatomical reasons to preserve as much tissue as possible and to employ a minimally invasive approach.<\/p>\n

PD Dr. Peter Prodinger (Hausham) supplemented the discussion on surgical access by introducing a practical modification for obese patients: instead of making a longitudinal incision through the abdominal and inguinal folds\u2014as is typical for an anterior approach\u2014he utilized a transverse skin incision, following the Langer\u2019s lines of skin tension (a technique known as a “bikini incision”). The objective was to prevent wound-healing complications at the junctions of these skin folds; however, he noted that the cosmetic outcome was, in fact, the primary motivation for developing this approach.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39068″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233597525{margin-bottom: 30px !important;}”]Dr. Frank Horst mit PD Dr. Thomas Randau<\/p>\n

[\/vc_column_text][vc_single_image image=”39069″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233603669{margin-bottom: 30px !important;}”]Prof. Dr. Peter Schr\u00e4der<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”1\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_single_image image=”39070″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785232996386{margin-bottom: 30px !important;}”]Prof. Dr. Timm Filler<\/p>\n

[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][vc_single_image image=”39071″ img_size=”full” qode_css_animation=””][vc_column_text]PD Dr. Peter Prodinger[\/vc_column_text][\/vc_column][vc_column width=”1\/3″][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text css=”.vc_custom_1785401530307{margin-bottom: 30px !important;}”]<\/p>\n

The Short-Stem Implant as One Component of an Overall Strategy<\/h3>\n

The final session of the symposium demonstrated that the success of a short-stem implant procedure does not depend solely on the implant itself. Prof. Dr. Christoph Zilkens (Cologne) introduced blood-flow restriction (BFR) training as a strategy to combat postoperative muscle atrophy, summarizing: “The future of joint replacement surgery does not begin in the operating room, but weeks beforehand.” Dr. Baraa Khamees (Kiel) supplemented this by discussing the ERAS-based “fast-track” approach. This multimodal perioperative management, combined with minimally invasive short-stem implantation, can facilitate faster patient mobilization.[\/vc_column_text][qode_elements_holder number_of_columns=”two_columns”][qode_elements_holder_item advanced_animations=”no”][vc_single_image image=”39072″ img_size=”full” css=”.vc_custom_1785401868462{padding-right: 17px !important;}” qode_css_animation=””][vc_column_text css=”.vc_custom_1785233610223{margin-bottom: 30px !important;}”]Prof. Dr. Christoph Zilkens<\/p>\n

[\/vc_column_text][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=”no”][vc_single_image image=”39073″ img_size=”full” css=”.vc_custom_1785401875428{padding-left: 17px !important;}” qode_css_animation=””][vc_column_text css=”.vc_custom_1785401904952{margin-bottom: 30px !important;padding-left: 17px !important;}”]Dr. Baraa Khamees[\/vc_column_text][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1674815181930{padding-bottom: 30px !important;}”][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1788342331791{padding-bottom: 30px !important;}” z_index=”” anchor=”fazit”][vc_column width=”2\/3″ css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_column_text css=”.vc_custom_1785402322588{margin-bottom: 30px !important;}”]<\/p>\n

Conclusion<\/h3>\n

Ten years after its market launch, the data presented at the Cologne symposium reveal a consistent picture: the A2 short stem is a biomechanically sound treatment option that is clinically equivalent to other approaches and increasingly suitable for older patients as well as those with challenging anatomical conditions. The use of short stems is also increasingly accompanied by a growing awareness that the choice of implant alone does not determine the outcome; rather, surgical planning, perioperative management, and rehabilitation are equally essential components.[\/vc_column_text][qode_elements_holder number_of_columns=”two_columns”][qode_elements_holder_item advanced_animations=”no”][\/qode_elements_holder_item][qode_elements_holder_item advanced_animations=”no”][\/qode_elements_holder_item][\/qode_elements_holder][\/vc_column][vc_column css_animation=”none” width=”1\/3″ offset=”vc_col-xl-inherit vc_col-lg-inherit vc_col-md-4 vc_col-sm-inherit”][vc_single_image image=”39074″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1786091968285{margin-bottom: 30px !important;border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 30px !important;padding-right: 17px !important;padding-bottom: 30px !important;padding-left: 17px !important;background-color: #FFFFFF !important;border-left-style: solid !important;border-right-style: solid !important;border-top-style: solid !important;border-bottom-style: solid !important;border-color: #DBDBDB !important;}”]We would like to thank the scientific directors, PD Dr. med. Thomas Randau and Dr. med. Thorsten Hillmann, for their thoughtful curation of the program and for the scientific breadth of the anniversary symposium.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” css=”.vc_custom_1769522793935{padding-bottom: 30px !important;}” z_index=””][vc_column css=”.vc_custom_1674815326712{padding-bottom: 30px !important;}”][vc_single_image image=”39075″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785267790239{margin-bottom: 30px !important;}”]Team ARTIQO[\/vc_column_text][vc_single_image image=”39076″ img_size=”full” qode_css_animation=””][vc_column_text css=”.vc_custom_1785266896831{margin-bottom: 30px !important;}”]All speakers at the \u201c10 Years of A2\u00ae Short Stem\u201d symposium[\/vc_column_text][vc_gallery images=”39074,39077,39078,39079,39080,39081,39082,39083,39084,39085″ img_size=”300×300″ type=”image_grid” column_number=”5″ grayscale=”no” images_space=”gallery_without_space”][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

10 Years of the A2\u00ae Short Stem: On July 10, 2026, around 120 participants\u2014many of whom have been associated with the A2\u00ae short stem for years\u2014gathered for the \u201c10 Years of the A2\u00ae Short Stem\u201d symposium, enjoying beautiful summer weather and a view of Cologne Cathedral.<\/p>\n","protected":false},"author":1,"featured_media":39086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[376,353],"tags":[],"class_list":["post-39096","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-en","category-news"],"yoast_head":"\n10 Years of the A2\u00ae Short-Stem Symposium<\/title>\n<meta name=\"description\" content=\"Around 120 participants gathered on July 10, 2026, for the symposium \u201c10 Years of the A2\u00ae Short Stem.\u201d\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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