Publications by authors named "Jonathan Henry W Jacobsen"

Article Synopsis
  • This study investigates isopropyl alcohol (IPA) as a potential treatment for nausea, comparing its effectiveness against serotonin (5-HT) antagonists, which are commonly used but not always effective.
  • Researchers conducted a systematic search for randomized controlled trials and included 4 studies with 382 participants, assessing outcomes like nausea severity, duration, and patient satisfaction.
  • Results showed that IPA led to a quicker reduction in nausea and a lower need for additional medications compared to 5-HT antagonists, although overall evidence quality was considered low to very low.
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Background: Dupuytren disease is a common fibroproliferative disease that affects the palmar fascia of the hands. Currently, there is limited consensus regarding the optimal therapy for this condition, with treatment decisions based largely on surgeon preference. Therefore, the aim of this study was to determine which treatments are the most effective for Dupuytren disease.

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Background: Depression is the leading cause of global disability and can develop following the change in body image and functional capacity associated with stoma surgery. However, reported prevalence across the literature is unknown. Accordingly, we performed a systematic review and meta-analysis aiming to characterise depressive symptoms after stoma surgery and potential predictive factors.

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Background: Superior patient outcomes rely on surgical training being optimized. Accordingly, we conducted an international, prospective, cross-sectional study determining relative impacts of COVID-19, gender, race, specialty and seniority on mental health of surgical trainees.

Method: Trainees across Australia, New Zealand and UK enrolled in surgical training accredited by the Royal Australasian College of Surgeons or Royal College of Surgeons were included.

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Background: Mesh is frequently utilized intraoperatively for the repair of groin hernias. However, patients may request non-mesh hernia repairs owing to adverse events reported in other mesh procedures. To inform surgical safety, this study aimed to compare postoperative complications between mesh and non-mesh groin hernia repairs and identify other operative and patient-related risk factors associated with poor postoperative outcomes.

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Background: Telehealth use has increased worldwide during the COVID-19 pandemic. However, hands-on requirements of surgical care may have resulted in slower implementation. This umbrella review (review of systematic reviews) evaluated the perceptions, safety and implementation of telehealth services in surgery, and telehealth usage in Australia between 2020 and 2021.

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Background: Variation in cut-off values for what is considered a high volume (HV) hospital has made assessments of volume-outcome relationships for pancreaticoduodenectomy (PD) challenging. Accordingly, we performed a systematic review and meta-analysis comparing in-hospital mortality after PD in hospitals above and below HV thresholds of various cut-off values.

Method: PubMed/MEDLINE, Embase and Cochrane Library were searched to 4 January 2021 for studies comparing in-hospital mortality after PD in hospitals above and below defined HV thresholds.

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Introduction: Gastrointestinal recovery after surgery is of worldwide significance. Postoperative gastrointestinal dysfunction is multifaceted and known to represent a major source of postoperative morbidity, however, its significance to postoperative care across all surgical procedures is unknown. The complexity of postoperative gastrointestinal recovery is poorly defined within gastrointestinal surgery, and even less so outside this field.

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Article Synopsis
  • Adolescents are prone to risky behaviors like binge drinking, which can impact brain development and increase reward-seeking behavior later in life.
  • A new animal model using Balb/c mice was created to study the effects of early adolescent binge drinking on TLR4 (a receptor involved in immune response) and alcohol-related behaviors in adulthood.
  • The study found that low doses of alcohol during adolescence led to increased alcohol preference and intake in later life, suggesting that even minimal alcohol exposure during critical developmental windows can influence future drinking behaviors and neuroimmune signaling.
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Circadian rhythm affects drug-induced reward behaviour and the innate immune system. Peaks in reward-associated behaviour and immune responses typically occur during the active (dark) phase of rodents. While the role of the immune system, specifically, Toll-like receptor 4 (TLR4, an innate immune receptor) in drug-induced reward is becoming increasingly appreciated, it is unclear whether its effects vary according to light-cycle.

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Article Synopsis
  • Neuro-immune interactions are crucial for understanding both healthy and diseased states of the brain and spinal cord, emphasizing the need for improved molecular analysis techniques.
  • Current imaging methods in this field, adapted from immunology and neuroscience, have limitations that hinder our understanding of the central nervous system (CNS).
  • The review focuses on presenting new and innovative imaging technologies that can better address these limitations, making it easier for medical scientists to study neuroimmune responses.
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Drug addiction and dependence have proven to be difficult psychiatric disorders to treat. The limited efficacy of neuronally acting medications, such as acamprosate and naltrexone, highlights the need to identify novel targets. Recent research has underscored the importance of the neuroimmune system in many behavioural manifestations of drug addiction.

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Opioids have historically, and continue to be, an integral component of pain management. However, despite pharmacokinetic and dynamic optimization over the past 100 years, opioids continue to produce many undesirable side effects such as tolerance, reward, and dependence. As such, opioids are liable for addiction.

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