We report the case of a 36-year-old lorry driver who sustained left dorsal radiocarpal fracture dislocation and left median nerve injury in a traffic accident in 2010. Emergency operation of closed reduction, cross-wrist-bridging external fixation, percutaneous transradial styloid Kirschner wire fixation, decompression of left median nerve, and repair of the partially torn palmar radiocarpal ligament were performed under general anaesthesia. Because of the persistent depressed dorsal articular rim fracture of left distal radius, another operation of open reduction, corticocancellous bone grafting, and dorsal buttress plating was performed 5 days after the initial operation. Six months after the operation, the patient enjoyed good range of wrist motion but weak twisting power, especially in supination. There was no radiological feature of radiocarpal subluxation.
This article is about two patients having vascular injuries complicating total hip arthroplasty because of intraoperative indirect injuries. One patient had a delayed presentation of acute lower limb ischaemia, in which he required amputation of his left second toe because of ischaemic gangrene. The other patient had acute lower limb ischaemia leading to permanent muscle and nerve damage because of delayed recognition. Both patients had vascular interventions for the indirect vascular injuries. Preoperative workup for suspicious underlying peripheral vascular disease, intraoperative precautions, and perioperative period of vascular status monitoring are essential for prevention and early detection of such sinister events.
Background Hong Kong Chinese exhibits a greater varus lower limb mechanical axis and coronal bowing when compared to Caucasians. This anatomical difference may affect the accuracy of bone cuts in total knee arthroplasty (TKA) using western anatomy-based intramedullary TKA cutting jigs. Use of computer navigation may avoid suboptimal cuts due to altered anatomy. This is the first study evaluating clinical function, radiological alignment and long-term survival of computer-assisted TKA amongst Hong Kong Chinese patients. Methods Retrospective study comparing articular surface mounting computer-assisted TKA (ASM-CATKA) and conventional TKA performed in a single centre from 2008 to 2010. Patients were followed up for assessment of clinical parameters including range of motion, Knee Society Knee score, and radiological parameters such as limb alignment, component alignment, and survival. Results Seventy-five patients were included in this study. Baseline clinical and radiological data were similar between groups. The computer-navigated group had superior radiological mechanical alignment ( p < 0.001), tibial component alignment ( p = 0.016) and femoral component alignment ( p < 0.01) when compared to conventional TKA. There were no differences in knee scores ( p = 0.488), range of motion ( p = 0.432) and survival at 117 months ( p = 0.986) between the two groups. Conclusion This retrospective study showed that ASM-CATKA was more accurate in achieving neutral mechanical axis and component alignment amongst Hong Kong Chinese. Clinical outcomes and implant survival were comparable.
Background:A growing amount of evidence has suggested an association between preoperative leukocytosis and postoperative complications across a variety of surgeries. The aim of this study was to evaluate the impact of preoperative leukocytosis on the prognosis of geriatric patients with hip fracture after surgery.
Methods:This retrospective cohort included 1007 patients age 65 yr and older who underwent surgery for hip fracture between January 2016 and December 2019 at a district general hospital. Outcomes measured included surgical-site infection and 30-day and 1-year mortality. A multivariate logistic regression model was constructed in order to test whether leukocytosis was an independent predictor of morbidity and mortality in patients with hip fracture.
Results:After adjustment for covariates, leukocytosis was not found to be a significant independent predictor of poor outcome after geriatric hip-fracture surgery. Delay of surgery longer than 48 hr and dementia were found to be independent variables associated with increased risk of surgical-site infection. The predictors of 30-day mortality were male gender and the use of anticoagulant or antiaggregant medications, whereas male gender, delay of surgery more than 48 hr, dementia and hypoalbuminemia were associated with increased 1-year mortality.
Conclusions:Preoperative leukocytosis was not associated with adverse postoperative outcome after geriatric hip-fracture surgery. The more reliable variables for prediction of surgical outcome in geriatric patients with hip fracture were delay in surgery, gender, hypoalbuminemia, dementia, and use of anticoagulant or antiaggregant medications.
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