Spontaneous Regeneration of Medial Cuneiform Following Gunshot Wound.
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ABSTRACT:
SUBMITTER: Reyes R
PROVIDER: S-EPMC8696864 | biostudies-literature | 2019 Jul
REPOSITORIES: biostudies-literature
Publications
Spontaneous Regeneration of Medial Cuneiform Following Gunshot Wound.
Reyes Ricardo R Türker Tolga T Latt L Daniel LD
Foot & ankle orthopaedics 20190701 3
<b>Level of Evidence:</b> Level V, expert opinion. ...[more]
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Project description:BackgroundThe Cotton osteotomy, or dorsal-opening wedge osteotomy of the medial cuneiform (MC), is used to address medial column alignment to restore the static-triangle of support. There are many described techniques regarding the incision and osteotomy. Successful completion of the osteotomy requires knowledge of the anatomy, particularly the location of the medial dorsal cutaneous nerve (MDCN). This study describes the relationship between MDCN, tibialis anterior, extensor-hallucis-longus tendon, and ligamentous attachments to the MC. A technique to determine a safe location for the osteotomy is also described.MethodsTwelve fresh-frozen adult foot specimens were used for this study (7 male and 5 female). The MDCN and its branches were dissected and its relationship with the MC was documented. Osteotomy tilt angle and relationship to structures around the MC were measured.ResultsMDCN traveled medially and distally over the dorsum of the MC, and a small branch to the MC was observed. The tilt angle was 80.1 ±1.4 degrees. There was no significant difference between the distance from the distal-articular surface to the midline of the cuneiform and to the interosseous ligament (P = .69), or between the distance from the distal-articular surface to the second tarsometatarsal joint and to the origin of the Lisfranc ligament (P = .12).ConclusionsThe dorsal-medial-oblique incision effectively protected MDCN and the MC. We believe the osteotomy should be performed in the safe zone to maintain the stability of the opening wedge.Clinical relevanceThe dorsal-medial-oblique incision could reduce the risk of injury to the MDCN and the tibialis-anterior tendon.
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Project description:BackgroundWhile proximal first metatarsal osteotomy combined with distal soft tissue realignment is accepted as standard treatment of moderate to severe hallux valgus with metatarsus primus varus, none of the described proximal metatarsal osteotomies address the hyper-obliquity of the first metatarsocuneiform joint. An opening-wedge osteotomy of the medial cuneiform can potentially correct the 1-2 intermetatarsal angle (IMA) in addition to normalizing the hyper-obliquity of the first tarsometatarsal (TMT) joint. The purpose of this study was to retrospectively review the early radiographic and clinical results of the use of a medial cuneiform opening-wedge osteotomy fixed with a low-profile wedge plate combined with distal soft tissue realignment for the treatment of hallux valgus.MethodsFourteen feet (13 patients; 2 male and 11 female, average age 56 years, range 22-75) with hallux valgus underwent an opening-wedge osteotomy of the medial cuneiform fixed with a low-profile nonlocking wedge plate combined with distal soft tissue realignment. The mean preoperative hallux valgus angle (HVA) was 32 degrees and the IMA was 16 degrees. HVA, 1-2 IMA, proximal first metatarsal inclination (PFMI), and presence of osteoarthritis of the first TMT joint were assessed on preoperative and final postoperative radiographs. Final postoperative radiographs were also evaluated for radiographic union and hardware failure at an average of 7 months (range, 3-19 months) postoperatively.ResultsA mean intraoperative correction of 19 degrees and 7 degrees was achieved for the HVA and IMA, respectively. The mean HVA was 22 degrees and the mean IMA was 11 degrees at the time of final follow-up. At final follow-up, a recurrence of the deformity was observed in 12/14 feet. There were 2 nonunions-one plate failure and one screw failure. No first TMT joint instability or arthritis was observed. All patients were ambulatory without assistive device in either fashionable or comfortable shoe wear.ConclusionMedial cuneiform opening-wedge osteotomy resulted in unreliable correction of HVA and IMA at short-term follow-up with a high rate of early recurrence of hallux valgus deformity and a complication rate similar to that of the Lapidus procedure. This procedure cannot be recommended for addressing hallux valgus in the setting of increased obliquity of the first TMT joint.Level of evidenceLevel IV, case series.
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Project description:BackgroundGunshot wounds (GSWs) often result in neuropraxia or a mixed injury pattern rather than direct nerve transection. There is still debate between early and delayed intervention for the optimal treatment of intact nerves following GSWs. Early intervention may prevent the formation of dense scar tissue, and delayed intervention allows for the zone of injury to be fully demarcated for optimal treatment planning. Here, we present the case of a 29-year-old male who underwent exploration of the right common peroneal nerve after a GSW.Case descriptionA 29-year-old male presented for evaluation of a GSW to the right lower extremity at the level of the fibular head he sustained 2 months prior. Following his injury, he was immediately evaluated in the emergency department and offered supportive care. He reported paresthesias in the right lower extremity and a right-sided foot drop. Computed tomography demonstrated a bullet fragment in the distal right lower extremity, and ultrasound revealed a partial thickness injury in the right peroneal nerve. Exploration of the right common peroneal nerve and bullet fragment was recommended. The bullet fragment was removed from the distal right lower extremity in one piece. Following this, the right common peroneal nerve was decompressed proximally to distally, with scar tissue encountered distally. Postoperatively, the patient did well, ambulating shortly after surgery, and at 3 weeks postoperative, he was ambulating without difficulty.ConclusionClinical judgment and risk-benefit analysis of each patient must be made individually to determine the most optimal treatment method following GSWs.
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Project description:Managing traumatic injuries of the gastroesophageal junction (GEJ) is infrequent due to associated lesions of adjacent highly vascularized organs. Its anatomical localization in the upper abdomen makes the repair challenging to perform. A stable 23-year-old male was presented at the emergency department with two thorax gunshot wounds. Computed tomography revealed air in the periesophageal space and right hemopneumothorax with no injury of the major vessels. A chest tube was placed and the patient was transferred hemodynamically stable to the operating. Abdominal exploration identified injuries to the left diaphragm; liver lateral segment; 1-cm transfixing perforation of the GEJ and right diaphragmatic pillar. Primary repair of the GEJ was performed and patched with a partial fundoplication. The diaphragm was repaired and the liver bleeding controlled. Finally, drains and a feeding jejunostomy were placed. The patient had an uneventful early postoperative course and was discharged home on the 12th postoperative day.
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Project description:Firearm injury accounts for significant morbidity with high mortality among children admitted to the PICU. Understanding risk factors for PICU admission is an important step toward developing prevention and intervention strategies to minimize the burden of pediatric gunshot wound (GSW) injury.ObjectivesThe primary objective of this study was to characterize outcomes and the likelihood of PICU admission among children with GSWs.Design setting and participantsRetrospective cohort study of GSW patients 0-18 years old evaluated at the University of Chicago Comer Children's Hospital Pediatric Trauma Center from 2010 to 2017.Main outcomes and measuresDemographic and injury severity measures were acquired from an institutional database. We describe mortality and hospitalization characteristics for the cohort. We used logistic regression models to test the association between PICU admission and patient characteristics.ResultsDuring the 8-year study period, 294 children experienced GSWs. We did not observe trends in overall mortality over time, but mortality for children with GSWs was higher than all-cause PICU mortality. Children 0-6 years old experienced longer hospitalizations compared with children 13-16 years old (5 vs 3 d; p = 0.04) and greater frequency of PICU admission (83.3% vs 52.9%; p = 0.001). Adjusting for severity of illness, children less than 7 years old were four-fold more likely to be admitted to the PICU than children 13-16 years old (aOR range, 3.9-4.6).Conclusions and relevanceDespite declines in pediatric firearm mortality across the United States, mortality did not decrease over time in our cohort and was higher than all-cause PICU mortality. Younger children with GSWs experience longer hospitalizations and require PICU care more often than older children. Our findings suggest that the youngest victims of firearm-related injury may be particularly at-risk of the long-term sequelae of critical illness and injury.
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| S-EPMC8883068 | biostudies-literature
Project description:BackgroundAcute blast or gunshot wounds have a negative effect on the patients' health related quality of life (HRQoL). No validated instrument exists to assess the HRQoL of patients with such wounds. Therefore, we aimed to test and validate a subscale of an existing HRQoL instrument among patients with acute blast or gunshot wounds.MethodsWe used data from a randomized controlled trial comparing negative pressure wound therapy with standard treatment of civilian adults with acute extremity blast or gunshot wounds. We evaluated the reliability (internal consistency, stability) and validity of the body subscale of the Wound QoL instrument using the World Health Organisation 20 question self-reporting questionnaire as gold standard.ResultsA total of 152 participants were included in the study. The participants were predominantly (93.4%) male, and median age was 29.0 years (IQR 21.0-34.0). The internal consistency was acceptable while a test-retest analysis indicated instability in the Wound QoL instrument. The content validity of the instrument was considered satisfactory; however, the criterion validity was found to be insufficient.ConclusionsOur results indicate that Wound QoL is a promising instrument for the assessment of wound specific HRQoL among patients with acute blast or gunshot wounds. Further testing and validation is needed.
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