Introduction: Flexor tendon lacerations in zone II have been reported to be the most complicated of all tendon injuries. Currently, there is no consensus on treatment in surgical management for patients with flexor tendon laceration of flexor digitorum profundus and flexor digitorum superficialis (FDS). The aim of this study was to evaluate whether the repair of FDS tendons provided superior functional outcomes compared with FDS excision in Hispanic patients. Methods: Total active motion, original Strickland criteria, and the disability of arm shoulder and hand questionnaire were provided postoperatively at 3 and 6 months to all consecutive Hispanic patients who underwent zone II flexor tendon repair. The cohort was divided into two groups, those who underwent FDS repair and those underwent FDS excision. Results: Functional and disability outcome analysis showed a notable improvement with FDS repair using total active motion, Strickland criteria, and disability of arm shoulder and hand score at the 3 months postoperative interval. No statistical differences were identified regarding functional and disability outcomes at the 6-month evaluation between both groups. Conclusions: Among Hispanics, the FDS-repaired group had similar functional and disability outcomes at their 6 months postoperative evaluation compared with the FDS-excised group. Increased awareness for tendon rerupture during the initial 3 months of index surgery is recommended for FDS-excised patients.
Supracondylar humerus fracture (SHF) is the most common type of fracture in children. The aim of this study was to evaluate the efficacy of local hematoma block with 0.25% bupivacaine as postoperative pain control in patients with pediatric SHF who underwent closed reduction pin fixation. Methods: We performed an institutional review boardeapproved, prospective cohort study of 65 patients with SHF treated with closed reduction percutaneous pin fixation. For 6 months, all patients were randomly divided into 2 groups. The treatment group (35 patients) received an intraoperative local hematoma block using 0.25% bupivacaine whereas the control group (30 patients) did not receive a local hematoma block as postoperative pain management adjuvant. After surgery, all patients were prescribed opioid pain medication. To evaluate the efficacy of the hematoma block, postoperative morphine equivalent consumption and the Faces Pain ScaleeRevised (FPS-R) survey were blindly recorded during postoperative day 1. Demographic data, surgical details, clinical neurovascular examination during the hospital stay, and complications were also evaluated. Results: Comparison of the control group with the treatment group showed similar morphine equivalent consumption and Face Pain ScaleeRevised Survey results. No hematoma block-associated complications were reported. Conclusions: The result of this study do not favor the use of local hematoma block to improve pain control and decrease the need for opioid use on postoperative day 1 in pediatric SHF after patients undergo closed reduction percutaneous pin fixation. These results can lay the foundation for future studies while suggesting new, novel opioid-free pain control strategies in patients with SHF. Type of study/level of evidence: Therapeutic II.
Adolescent idiopathic scoliosis (AIS) patients undergoing posterior spinal fusion (PSF) usually require surveillance in the pediatric ICU (PICU). Some reports have documented evidence of hypomagnesemia following PSF at PICU. Little has been studied about relationship between AIS and postoperative serum magnesium (Mg+2) levels. The aim of this study is to determine the prevalence and risk factors of hypomagnesemia in AIS patients admitted to PICU after PSF. IRB approved the cross-sectional study of AIS patients admitted to PICU after PSF from January 2016 to May 2017. Serum electrolyte levels of phosphorous, calcium, sodium, potassium and hemoglobin were taken preoperative and 24 h postoperative and compared with postoperative magnesium levels. Blood volume reinfused from cell saver return (CSR), estimated blood loss (EBL), volume of fluids intraoperative and average of vertebra levels operated were charted and compared with postoperative magnesium levels. A total of 46 AIS patients undergoing PSF met inclusion criteria, with an average age of 15 years (78% female). Postoperatively, hypomagnesemia was reported in 24/46 patients (53%).No association was found between hypomagnesemia and serum electrolyte (phosphorous, calcium, sodium and potassium) or hemoglobin levels. In addition, no statistical association was found with age, operative time, vertebrae level fused, CSR, EBL and volume of fluids intraoperatively. Fifty-three percent of pediatric patients developed hypomagnesemia after surgical correction for AIS. Further investigation of this electrolyte disturbance will likely result in a useful clinical tool for physician in the management of AIS.
The sustained use of intraoperative fluoroscopy has led to increased use of minimally invasive surgical techniques, enhanced surgeon proficiency, improved anatomic corrections, reduced patient morbidity, earlier functional recovery, and decreased length of hospital stay. As a result, orthopedic attending surgeons and residents are exposed to more radiation, increasing the risk of cancer and radiation-induced cataracts compared with the general population and those who work in other surgical specialties. The magnitude of radiation exposure depends on the susceptibility of the tissues affected, medical specialty, the position of the C-arm, distance from the radiation beam, level of difficulty of the surgical procedure, surgeon experience, level of resident training, and level of supervision by the attending surgeon. However, little information is available on the effect of supervision level on radiation exposure for orthopedic senior residents. The goal of this study was to investigate whether level of supervision by the attending surgeon affects the radiation exposure of orthopedic senior residents during surgical treatment of proximal femur fracture with cephalomedullary nail fixation. This retrospective cohort study was performed from January 2019 to March 2019. No significant relationship between supervision level and radiation exposure of senior residents was observed. Supervision level does not significantly affect radiation exposure for senior residents; therefore, the implementation of standardized training in radiation safety may be a more essential measure to decrease radiation exposure. [ Orthopedics . 2021;44(3):e402–e406.]
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