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e few studies investigating the impact of preoperative opioid use on postoperative outcomes after shoulder surgery.

We studied variation in perioperative opioid use after total joint arthroplasty with respect to patient and procedure characteristics in order to inform initiatives to optimize pain relief.

We recorded perioperative opioid consumption for a cohort of total joint arthroplasty patients to identify factors underlying variation in perioperative opioid use.

Younger patient age, tobacco use, greater symptoms of depression, private insurance, and knee arthroplasty were associated with increased opioid consumption.

Awareness of the patient characteristics associated with increased perioperative opioid use can help inform implementation of targeted strategies for safe, optimal pain relief and satisfaction.

Awareness of the patient characteristics associated with increased perioperative opioid use can help inform implementation of targeted strategies for safe, optimal pain relief and satisfaction.

This study assessed implant survival and dislocation following proximal femur tumor endoprosthetic replacement.

Thirty-eight procedures were performed between 2005 and 2019. The cumulative incidence of implant revision was calculated with death as a competing risk.

The majority of endoprostheses were bipolar hemiarthroplasty (n=33, 86.8%). The cumulative incidence of revision was 14.6% (95% CI, 3.2%-34.1%) at five years. Dislocation occurred in 7.9% (n=3) of hips at a mean (SD) 44±35.2 days.

Proximal femur tumor endoprosthetic replacement is a durable option that tends to outlive patients. Strict postoperative bracing may lower dislocation rates.

III. Retrospective Study.

III. Retrospective Study.

To evaluate outcomes for a combined osteoligamentous reconstruction technique for Neer Type IIB clavicle fractures.

Patients with Neer Type IIB clavicle fractures treated with combined clavicular locking plate and coracoclavicular ligament suture reconstruction were identified. Demographics, clinical outcomes, and radiographic outcomes were collected.

Twenty-four patients with mean 13 months of follow-up were included. K-Ras(G12C) inhibitor 12 Bony union and normal radiographic coracoclavicular relationship were achieved in 23 (96%) patients. The mean UCLA Shoulder score was 33.3. Three (13%) complications occurred.

The combined osteoligamentous reconstruction approach as described is a successful option for treating Neer Type IIB clavicle fractures.

The combined osteoligamentous reconstruction approach as described is a successful option for treating Neer Type IIB clavicle fractures.

The purpose of this study is to evaluate the reliability of magnetic resonance imaging (MRI) in predicting the location of ACL tears in preoperative planning for anterior cruciate ligament (ACL) repair.

Thirty-four patients who underwent ACL repair were retrospectively analyzed to compare intraoperative arthroscopic findings with preoperative MRIs.

For identifying type I tears, the sensitivity of MRI was 9.0% and the accuracy of MRI was 8.8%. There was moderate interrater agreement between MRI findings for tear location and tear degree.

MRI alone may not necessarily be accurate in identifying which ACL tears are amenable to repair.

Retrospective case series; Level of Evidence IV.

Retrospective case series; Level of Evidence IV.

The aim of this study was to investigate risk factors for VTEs after HTO based on patient demographics, medical comorbidities, operative valuables, and clinical results.

A total of 137 patients were assessed VTEs using ultrasonography at 1 week after HTO. The risk factors for postoperative VTEs were to assessed.

The incidence of VTEs after HTO was 25.5%. Postoperative single leg standing test was independent predictors of VTEs after HTO.

The incidence of VTEs after HTO is relatively high and Postoperative knee function is important for preventing VTEs after HTO.

Ⅱ, Prospective comparative study.

Ⅱ, Prospective comparative study.

To study the intraoperative morphology of the glenoid labrum and capsule in recurrent shoulder dislocation and to study the relationship between the number of dislocations and the changes in the glenoid and labrum.

Over a period of 18 months, 108 patients with traumatic anterior dislocations were included in the study, of which 102 men and 6 women with mean age of 33.4yrs range from 18 to 45. The patients with bony bankart, other labral lesions, ligamentous laxity, SLAP tear were excluded from the study. All the patients underwent arthroscopic bankart repair. We have classified the morphology of labrum and capsule on their appearance intraoperatively. Labrum is named as Normal, Desiccated or Shredded and Capsule as Normal or Damaged.

Six varieties of appearances were observed. Namely, Normal capsule and Normal labrum (NN), Normal capsule and Desiccated labrum (ND), Normal capsule and Shredded labrum (NS), Damaged capsule and Normal labrum (DN), Damaged capsule and Desiccated labrum(DD), Damaged capsule and Shredded labrum(DS). Among them, DD (33.3%) and DS (29.6%) variety had highest number of dislocations suggesting the labrum and capsule lose normal anatomy with more recurrence of dislocations.

These findings support that reproducing normal anatomy after surgical repair is possible when the intervention is done sooner than later.

III.

III.Stomach is a highly vascular organ in the gastrointestinal tract. It is very rare for a stomach to go in for gangrene even in cases of volvulus. Spontaneous gangrene due to acute necrotizing gastritis is a very rare and dreaded condition. This condition is usually not recognized preoperatively due to its rarity. Hence, early diagnosis and prompt expert management are necessary. Here, we present a case of acute necrotizing gastritis which was admitted in our emergency department which was diagnosed to be a case of gastric gangrene preoperatively with the help of radiological investigations.The COVID-19 pandemic has disrupted teaching in medical schools across the world. Online learning has become the core method of teaching during this pandemic. The aim of this study was to investigate the impact of this mode of education among medical students in India. A survey was conducted by distributing online questionnaires to medical students across India. Data gathered from the survey was analyzed using SPSS® version 16. The overall response rate of survey was 58.4%. Practical training was most severely affected by online classes (93.32%) as compared to theory classes (60.93%). A total of 71.98% students agreed that canceling of physical medical conferences adversely affected the building up of their resumes while only 28.79% agreed that virtual conferences and meetings enhanced their learning. A total of 56.81% agreed that online exams adversely affected their performance. A total of 46.79% feels that online classes using simulated patients and simulation technology is not useful but 41.90% think that simulated teaching should be a part of the medical curriculum.