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BACKGROUND/OBJECTIVE: In 2020 the COVID-19 pandemic posed a major challenge to the healthcare system. The hypothesis is that the COVID-19 pandemic in 2020 had an impact on the care of older adults with proximal femoral fractures due to resource scarcity, regardless of whether or not the patient was infected. MATERIAL AND METHODS: This study analyzed the data of 87 hospitals which entered 15,289 patients in the Geriatric Trauma Register ("AltersTraumaRegister DGU®", ATR-DGU) in Germany in 2019 and 2020. In this study we analyzed the influence of the COVID-19 pandemic on the inpatient treatment of hip fractures as well as the mid-term follow-up during the first 120 days. For the main analysis, we compared patients documented during the COVID-19 pandemic in 2020 (April-December) with a control group in 2019 (April-December). Additionally, we performed a subgroup analysis of the periods with high COVID-19 incidence rates. RESULTS: Between 2019 and 2020 a total of 11,669 patients (2020: n = 6002 patients vs. 2019: n = 5667 patients) were included in this study. Only minor differences were found between the patients treated during the pandemic; however, when the COVID-19 incidence in Germany was greater than 50/100,000 residents, significantly fewer patients (p < 0.001) were discharged to a geriatric rehabilitation ward (27.2% vs. 36.3%) and an increased mortality rate during inpatient treatment was determined (8.4% vs. 4.6%) (p < 0.001). DISCUSSION: The healthcare system was able to respond to the pandemic and patients' clinical courses were not impaired as long as the incidences were low. Nevertheless, the healthcare system reached its limits in times of higher incidence, which was also directly reflected in the patient outcome, mortality and place of discharge.

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Background and Objectives: Patients with occult hip fractures are a difficult subgroup to treat. MRI is the gold standard for diagnosing occult proximal femur fractures but is costly and may not be readily available in an emergency setting. The purpose of this study was to determine whether changes in the proximal femur geometry can predict the likelihood of an occult hip fracture in patients presenting with hip pain following a ground-level fall. Material and Methods: Patients admitted to the hospital with a clinical suspicion of a hip fracture but initial negative radiographs over a seven-year period were included. All patients were additionally investigated with an MRI scan, and retrospectively, six radiologic parameters were obtained on plain radiographs: The cortical thickness index (CTI), the canal to calcar ratio (CCR), the canal flare index (CFI), the morphological cortical index (MCI), the canal bone ratio (CBR) and the canal bone aria ratio (CBAR). Subsequently the result of the plain radiographic indices of the patients with a negative MRI (Group A, no occult fracture) were compared to those with a positive MRI (Group B, occult fracture). Results: A total of 78 patients (59 female, 19 male) could be included in the study. The mean age was 82 years. The univariate analyses revealed a poor predictive ability of all radiological parameters with AUC values ranging from 0.515 (CBR) to 0.626 (CTI), whereas a multivariate prognostic model demonstrated improved prognosis (AUC = 0.761) for the CTI (p = 0.024), CBAR (p = 0.074) and CRR (p = 0.081) as the most promising predictive radiological parameters. Conclusions: Single radiologic indices obtained from conventional X-rays of the proximal femur have a weak predictive value in detecting occult fractures of the hip and cannot be used as clinical decision-making factors.

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The clinical picture of "frozen shoulder" is still poorly understood. In order to present the current state of knowledge on aetiology, diagnosis, and treatment, and to provide recommendations for the professional groups involved, a working group was formed by the DGOU and the DVSE to create a German language, evidence-based guideline, which was published in 2022 by the AWMF. The following summarises the development and the most important results.

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BACKGROUND: Radial head arthroplasty is recognized as the gold standard in the treatment of patients with unreconstructable radial head fractures. OBJECTIVE: The aim of this retrospective study was to investigate the long-term results after prosthetic replacement of the radial head and in a subgroup analysis to identify factors which influence the outcome. MATERIAL AND METHODS: A total of 48 patients with unreconstructable fractures of the radial head and neck were treated by cementless radial head arthroplasty between 05/2008 and 10/2018 (30 bipolar prosthesis type rHead Recon, 18 monopolar prosthesis type MoPyc). After a mean follow-up of 4.6 years 39 patients were assessed clinically and radiologically. RESULTS: The median MEP score was 95 points. Compared to the uninjured side the median range of motion was reduced by 10° for extension/flexion as well as for pronation/supination. In 36 of 39 cases an osseous integration of the prosthesis could be documented. One prosthesis had to be removed after 23 months because of painful loosening. Overlengthening was present in 11 cases (28%), 25 patients (64%) had subcollar bone resorption with a stable osteointegrated stem. Nonbridging heterotopic ossification was observed in 15 patients (38%), 16 patients (41%) showed posttraumatic arthrosis. Patients with sustained elbow dislocation had a significantly worse function in the MEP score and tended to develop an arthrosis more frequently. Ulnohumeral joint degeneration was significantly increased when overlengthening was present. CONCLUSION: Radial head arthroplasty is an effective treatment option for unreconstructable fractures of the radial head and can provide good to excellent mid-term to long-term results. Sustained elbow dislocation as well as overlengthening of the prosthesis had a negative impact on the clinical outcome.

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Background and Objectives: Cemented hemi arthroplasty is a common and effective procedure performed to treat femoral neck fractures in elderly patients. The bone cement implantation syndrome (BCIS) is a severe and potentially fatal complication which can be associated with the implantation of a hip prosthesis. The aim of this study was to investigate the influence of a modified cementing technique on the incidence of BCIS. Material and Methods: The clinical data of patients which were treated with a cemented hip arthroplasty after the introduction of the modified 3rd generation cementing technique were compared with a matched group of patients who were treated with a 2nd generation cementing technique. The anesthesia charts for all patients were reviewed for the relevant parameters before, during and after cementation. Each patient was classified as having no BCIS (grade 0) or BCIS grade 1,2, or 3 depending on the severity of hypotension, hypoxia loss of consciousness. Results: A total of 92 patients with complete data sets could be included in the study. The mean age was 83 years. 43 patients (Group A) were treated with a 2nd and 49 patients (Group B) with a 3rd generation cementing technique. The incidence of BCIS grade 1,2, and 3 was significantly higher (p = 0,036) in group A (n = 25; 58%) compared to group B (n = 17; 35%). Early mortality was higher in group A (n = 4) compared to group B (n = 0). Conclusions: BCIS is a potentially severe complication with a significant impact on early mortality following cemented hemiarthroplasty of the hip for the treatment of proximal femur fracture. Using a modified 3rd generation cementing technique, it is possible to significantly reduce the incidence of BCIS and its associated mortality.

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BACKGROUND: To cope with the COVID-19 outbreak in Germany, the government imposed a lockdown, which led to restrictions and lifestyle changes for the population. PURPOSE: This study aimed to evaluate the impact of the lockdown on activities causing trauma and the consultation in emergency rooms. MATERIAL AND METHODS: All consecutive trauma patients consulting the Emergency Department of the Marienhospital Stuttgart (MHS), Germany, during the 6 weeks preceding the lockdown, during and after the lockdown were included. The time and type of consultation, treatment received, Manchester triage score, type of trauma, the anatomical region of the injury as well as demographic data were reported and compared. RESULTS: The study included 551 cases during lockdown, 943 cases before and 783 cases after the lockdown. We observed a reduced caseload during the lockdown of 41.6% compared to before and of 29.7% compared to after (p < 0.001). Patients were on average older in the observation group than in both control groups (before : 51.5 years, lockdown: 56.1 years, after: 51.6 years) (p < 0.001). Injuries to the head and neck were constant (25.0%, 25.4%, 25.5%). We noticed lower limb injuries decreasing (26.1%, 22.3%, 22.7%) and upper limb injuries increasing (25.5%, 31.8%, 30.1%). A decrease in sports injuries (11.1%, 5.1%, 9.1%) and work accidents (16.1%, 10.7%, 12.8%) resulted in more domestic accidents (30.4%, 52.5%, 31.8%). Self-referral decreased (67.7%, 53.2%, 60.3%) while referral via paramedics increased (28.3%, 38.7%, 35.6). Blunt trauma was the most common cause of injury (55.6%, 61.0%, 55.3%). Indications for surgery were higher (16.8%, 21.6%, 14.0%). CONCLUSION: The lockdown and restrictions in personal life and daily routine had an impact on the frequency, etiology and management of trauma patients in Stuttgart.

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PURPOSE: Thermal inhalation injury is a common, life-threatening problem in burned patients. Whether or not this single event of damage to the oral integrity causes long term health problems is yet to be examined. MATERIAL AND METHODS: All consecutive burn patients between 2014 and 2017 of Marienhospital Stuttgart (MHS), Germany, with at least 10% of burned skin surface were included and compared. The Periodontal Screening Index as well as Vitamin D levels were examined. Vitamin D has been suspected to contribute to the genesis of periodontitis. Risk factors and subjective oral life quality were prompted. RESULTS: We included a total of 32 patients, 15 of which had an inhalation injury in their medical history. Risk factors were examined via Renatus' questionnaire. While risk factors were equally distributed in both groups we saw a remarkable difference in periodontal integrity, with the Periodontal Screening Index (PSI) per sextant differing drastically (with inhalation injury: 2.40, without inhalation injury: 1.10, p < 0.001). Patients with an inhalation injury had a mean of 5.2 out of 6 possible sextants with a pathologic PSI (with the median being 6/6), while patients without an inhalation injury had a mean of 1.83 out of 6 (median: 1/6), p < 0.001. The oral health impact profile showed a difference as well, albeit without statistical significance (with inhalation injury: median = 11, without: median = 3.5, p = 0.414). A correlation between Serum Vitamin D levels and periodontal integrity could not be seen in this group. CONCLUSION: Inhalation injury is a possible cause for periodontitis and hence impacts the quality of life of burned patients.

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BACKGROUND: On the basis of lower incidence of postoperative pain and faster recovery compared with open techniques, the laparoscopic transabdominal preperitoneal patch plastic (TAPP) technique was established as a leading mode of inguinal hernia repair. In contrast to open hernia repairs, which are well integrated in the training of young surgeons, TAPP is still considered a more difficult surgical procedure, raising the questions of how to include this technique in trainee programs and how to provide appropriate training. METHODS: Out of 15,101 TAPP procedures performed in our department between 1993 and 2007, we analyzed 254 operations that occurred from April 2004 to February 2007 by young trainees (between the second and fourth years of surgical training). The analysis compared the trainees' TAPP operations with 3,200 TAPP procedures performed by experienced surgeons in the same time period, and with the first 254 TAPP operations in our department performed by pioneers who introduced this technique in 1993. RESULTS: In the 254 operations performed by young trainees, the mean operation time was 59 min, the morbidity rate was 3.2 %, and the recurrence rate was 0.4 %. Compared to experienced surgeons, we found no significant difference in recurrence rate and morbidity. For operation time, however, the young trainees demonstrated a learning curve with continuous improvement until the end of the study period approaching expert level. Pioneers also demonstrated a clear learning curve in operation time and additionally also regarding morbidity and recurrence rate. CONCLUSIONS: Our study demonstrates that the TAPP learning curve of young trainees is only related to operation time. Therefore, TAPP is a safe and reproducible technique when performed by young trainees under the supervision of experienced laparoscopic surgeons. With an adequate program, the technique can be learned quickly, skillfully, and safely when a standardized technique is used. It should be included as a fundamental part of state-of-the-art trainee programs.

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INTRODUCTION: The prostate cancer gene 3 (PCA3) urine assay for the diagnosis of prostate cancer was introduced into clinical practice at the end of 2006. We report our experience with the test in a routine clinical setting and discuss the interpretation of the test results in the context of the individual patient history. MATERIAL AND METHODS: We retrospectively reviewed the data of all patients who received PCA3 determination during a visit to our outpatient clinic between January and June 2008. Prostate volume, prostate-specific antigen (PSA) and (in cases where a biopsy was performed) the biopsy results were collected. RESULTS: The PCA3 score was independent of prostate volume and serum PSA. In our study population, 56 men had a negative (<35) and 47 a positive score (≥35). Thirty-two patients were subsequently biopsied, 18 of which were diagnosed with prostate cancer (51%). Patients with a positive biopsy showed significantly higher PCA3 values (p < 0.05). Sensitivity was 94%, specificity was 36% and the negative predictive value was 83%. The area under the curve in the receiver operating characteristics was 0.81 for the PCA3 score and 0.61 for the serum PSA. CONCLUSION: The PCA3 value correlates with the probability of a positive prostate biopsy. The high negative predictive value can facilitate the decision for or against a prostate biopsy. However, the low specificity and the comparably high costs hamper the routine use for prostate cancer screening purposes. To increase specificity, in daily practice the PCA3 score should be interpreted carefully with reference to the absolute PSA value and clinical history.

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