Complex Lower Extremity Salvage Using Composite Flap Grafting in COVID-19-Induced Arterial Thrombosis: A Case Report.

Case: We present a 42-year-old man who developed extensive left lower extremity arterial thrombosis following COVID-19 pneumonia. Despite multiple revascularization attempts and a below-knee amputation, he faced wound necrosis and insufficient soft tissue coverage. An innovative approach using a pedicled flap and sequential flow-through free flaps was used for limb salvage.

AI-based analysis of fetal growth restriction in a prospective obstetric cohort quantifies compound risks for perinatal morbidity and mortality and identifies previously unrecognized high risk clinical scenarios.

Background: Fetal growth restriction (FGR) is a leading risk factor for stillbirth, yet the diagnosis of FGR confers considerable prognostic uncertainty, as most infants with FGR do not experience any morbidity. Our objective was to use data from a large, deeply phenotyped observational obstetric cohort to develop a probabilistic graphical model (PGM), a type of "explainable artificial intelligence (AI)", as a potential framework to better understand how interrelated variables contribute to perinatal morbidity risk in FGR.

Methods: Using data from 9,558 pregnancies delivered at ≥ 20 weeks with available outcome data, we derived and validated a PGM using randomly selected sub-cohorts of 80% (n = 7645) and 20% (n = 1,912), respectively, to discriminate cases of FGR resulting in composite perinatal morbidity from those that did not.

Autologous Fat Grafting in Hand Surgery: A Systematic Review.

Background: Autologous fat grafting (AFG) has gained popularity in both cosmetic and reconstructive surgery, including hand surgery, due to its regenerative potential and dual benefits of enhancing aesthetics and function. This systematic review aims to evaluate the efficacy of AFG in treating various hand pathologies.

Methods: A systematic review was conducted following PRISMA guidelines.

Graphene oxide scaffolds promote functional improvements mediated by scaffold-invading axons in thoracic transected rats.

Millions of patients and their caretakers live and deal with the devastating consequences of spinal cord injury (SCI) worldwide. Despite outstanding advances in the field to both understand and tackle these pathologies, a cure for SCI patients, with their peculiar characteristics, is still a mirage. One of the most promising therapeutic strategies to date for these patients involves the use of epidural electrical stimulation.

Genome Sequence of Three Siphoviruses in the EE, GA and EA5 Actinobacteriophage Clusters: Biscayne, Bush and GreenIvy.

Bacteriophages Biscayne, Bush and GreenIvy were isolated from soil samples in Miami, FL using NRRL B-24224 as host. Transmission electron microscopy shows siphoviral morphologies for all three phages. Based on gene content similarity to other actinobacteriophages, they are assigned to the EE, GA and EA5 clusters, respectively.