This study demonstrates two points: (1) it confirms that there is a significant increase in the occurrence of complications among morbidly obese and severely morbidly obese patients undergoing a single body contouring procedure, and (2) it shows there is an increase in the occurrence of complications with worsening degree of obesity. The (post-weight loss) body mass index at the time of body contouring surgery is a predictor for postoperative complications.
Stroke is a leading cause of morbidity and mortality in the United States. Whether hemorrhagic or ischemic, stroke leads to severe long-term disability. Prior to the mid-1990s, the treatment offered to a patient who presented with an acute stroke was mainly limited to antiplatelets. The lack of adequate treatment, in particular, one without reperfusion contributed to the disability that ensued. There have been many advances in stroke care within the past two decades, especially with the acute management of ischemic stroke. Even with these advances, it is quite alarming that only a fraction of patients receives acute stroke treatment. Numerous trials were conducted to broaden treatment eligibility in hopes that more patients can be treated acutely and safely. These trials have tested both the time window for IV tPA and endovascular therapy (EVT). Acute stroke management is moving from a universal time window approach to a concept of tissue preservation. Specifically, preserving cerebral blood flow, the penumbra, and reducing the risk of a second event. This movement is being executed through the use of multimodal CT and MRI, as well as individualizing treatment to our patients. Minimizing the initial effect of stroke changes the outcome and leads to an increased likelihood of functional independence. In this review, we discuss the recent updates of acute ischemic stroke management in regards to mechanical thrombectomy as well as thrombolytics including tenecteplase.
Super-refractory status epilepticus (SRSE) is a life-threatening neurological emergency with high morbidity and mortality. It is defined as "status epilepticus (SE) that continues or recurs 24 hours or more after the onset of anesthesia, including those cases in which SE recurs on the reduction or withdrawal of anesthesia." This condition is resistant to normal protocols used in the treatment of status epilepticus and exposes patients to increased risks of neuronal death, neuronal injury, and disruption of neuronal networks if not treated in a timely manner. It is mainly seen in patients with severe acute onset brain injury or presentation of new-onset refractory status epilepticus (NORSE). The mortality, neurological deficits, and functional impairments are significant depending on the duration of status epilepticus and the resultant brain damage. Research is underway to find the cure for this devastating neurological condition. In this review, we will discuss the wide range of therapies used in the management of SRSE, provide suggestions regarding its treatment, and comment on future directions. The therapies evaluated include traditional and alternative anesthetic agents with antiepileptic agents. The other emerging therapies include hypothermia, steroids, immunosuppressive agents, electrical and magnetic stimulation therapies, emergent respective epilepsy surgery, the ketogenic diet, pyridoxine infusion, cerebrospinal fluid drainage, and magnesium infusion. To date, there is a lack of robust published data regarding the safety and effectiveness of various therapies, and there continues to be a need for large randomized multicenter trials comparing newer therapies to treat this refractory condition.
Usually mast cells (MCs) modulate other cellular activities through the release of their cytoplasmic granules. Recently, gap junctional intercellular communication (GJIC) between an established human MC cell line (HMC-1) co-cultured with human dermal fibroblasts in fibroblast populated collagen lattices (FPCLs), enhanced the rate and degree of FPCL contraction. However, HMC-1 cells were unable to generate GJIC with human neonatal fibroblasts in monolayer culture. Here freshly isolated rat peritoneal MCs are co-cultured with fibroblasts in collagen lattices and in monolayer culture in vitro and introduced into rat polyvinyl alcohol (PVA) sponge implants in vivo. Co-cultured MC-FPCL contracted faster and to a greater degree. Loading Calcein AM green fluorescent dye into red fluorescent Dil tagged MC generates MC-paratroopers. When MC-paratroopers form GJIC with fibroblasts, some green dye is passed into the fibroblast, while the MC-paratrooper retains both its red and green fluorescence. MC-paratroopers passed green fluorescent dye into both human and rat dermal fibroblasts in monolayer culture. In rats 7-day-old subcutaneous PVA sponge implants, which received an injection of MC-paratroopers, exhibited auto-fluorescent green fibroblasts, when harvested 24 h later. MC-paratroopers pretreated with a long-acting GJIC inhibitor prior to their introduction into PVA sponge implants, failed to pass dye into fibroblasts. It is proposed that GJIC between granulation tissue fibroblasts and MCs can modulate some aspects of wound repair and fibrosis.
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