Publications by authors named "Makoto Shiraishi"

Purpose: Cold intolerance following finger amputation is a major postoperative complication. Although current evidence suggests decreased blood flow to digital peripheral vessels may be associated with cold intolerance, the underlying mechanism remains controversial. This study aimed to investigate the relationship between skin perfusion in affected fingers and the presence of cold intolerance.

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BackgroundVenous malformations (VMs) are the most common type of vascular malformation. Recurrence after treatment remains a significant challenge in clinical management.MethodsA multi-center retrospective cohort study was conducted on consecutive patients who received surgical or endovascular VM treatment from 2005 to 2020.

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Objective: A lack of standardized methods for evaluating postural abnormalities hinders treatment progress. The role of pelvic lateral shift (PLS) in patients with Parkinson's disease (PwP) exhibiting lateral trunk flexion (LTF) remains unclear. We hypothesized that PLS is related to LTF and investigated its characteristics and relationship with the LTF angle.

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A 72-year-old woman with a seven-year history of Parkinson's disease, characterized by gait instability, rigidity, and postural instability, was admitted to our department for evaluation of recurrent episodes of hypoxemia and altered consciousness. During hospitalization, she experienced recurrent episodes of respiratory failure, prompting the measurement of anti-IgLON5 antibodies, which were found to be positive, leading to a diagnosis of anti-IgLON5 disease. The respiratory failure could not be attributed to vocal cord paralysis or respiratory muscle weakness, leading to the hypothesis that subglottic laryngeal spasm was the cause.

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Objective: The skin is a complex organ that includes various stem cell populations. Current approaches for non-healing skin defects are sometimes inadequate and many attempts have been made to regenerate skin integrity. The aim of this review is to bridge the gap between basic research and clinical application of skin integrity regeneration.

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Background: Since the release of ChatGPT by OpenAI in November 2022, generative artificial intelligence (AI) models have attracted significant attention in various fields, including surgery. These advancements have been particularly notable for creating highly detailed and contextually accurate images from textual prompts. A notable area of clinical application is the representation of surgeon demographics in various specialties, particularly in the context of microsurgery and plastic surgery-related subspecialties.

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Mammalian skin appendages, such as hair follicles and sweat glands, are essential for both esthetic and functional purposes. Conditions such as burns and ulcers can lead to dysfunction or loss of skin appendages and result in hair loss and dry skin, posing challenges in their regeneration. Existing animal models are insufficient for studying acquired dysfunction of skin appendages without underlying genetic causes.

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Article Synopsis
  • AI chatbots, particularly GPT-4 and Grok, were evaluated for their responses to clinical questions about implant-based breast reconstruction guidelines set by the Japan Society of Plastic and Reconstructive Surgery.
  • GPT-4 showed significantly better performance than Grok in accuracy, informativeness, and readability, according to assessments from plastic surgery specialists and fellows.
  • The findings indicate that while GPT-4 may help interpret clinical guidelines, there is still a risk of misinformation, underscoring the need for further research on AI's role in breast reconstruction surgery.
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Background: We developed a novel method to measure the angle of subjective postural vertical (SPV) and showed that the SPV may be related to the exacerbation of the forward flexed posture.

Objectives: The present study prospectively tested the effects of the subjective postural vertical on the exacerbation of the forward flexion of trunk (FFT) through long-term observation of Parkinson's disease patients.

Methods: Evaluation of the posture included measuring FFT, the angle of lateral flexion of trunk, and the angle at the position that the patient subjectively perceived as the vertical position at a stationary upright position immediately after standing up at the time of initial observation, 6 months later, and 1 year later.

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Variants in mitochondrial genomes (mtDNA) can cause various neurological and mitochondrial diseases such as mitochondrial myopathy, encephalopathy, lactic acidosis, stroke-like episodes (MELAS). Given the 16 kb length of mtDNA, continuous sequencing is feasible using long-read sequencing (LRS). Herein, we aimed to show a simple and accessible method for comprehensive mtDNA sequencing with potential diagnostic applications for mitochondrial diseases using the compact and affordable LRS flow cell "Flongle.

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  • Lasting scars like keloids and hypertrophic scars impact patients' quality of life but are often misdiagnosed due to complicated diagnostic criteria.
  • This study assessed the diagnostic accuracy of five AI chatbots, including ChatGPT-4, in interpreting clinical images of different scar types.
  • Results showed that GPT-4 outperformed Bing Chat in accuracy, particularly for keloids and hypertrophic scars, but concluded that current AI technology still requires improvement before it can be reliably used in clinical settings.
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Background: The Generative Pre-trained Transformer (GPT) series, which includes ChatGPT, is an artificial large language model that provides human-like text dialogue. This study aimed to evaluate the performance of artificial intelligence chatbots in answering clinical questions based on practical rhinoplasty guidelines.

Methods: Clinical questions (CQs) developed from the guidelines were used as question sources.

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We herein report an atypical case of shingles caused by varicella zoster virus after surgery. The virus, which goes along with the cutaneous nerve from the ganglia, was unable to spread across the previous surgical scar due to damage of the cutaneous nerves, but made a detour to the upper left direction from the scar.

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  • Breast cancer survival rates are rising, making it crucial to focus on enhancing long-term quality of life, with breast reconstruction being a common solution that can help improve well-being.
  • Despite its benefits, chronic pain post-reconstruction is a significant issue that negatively affects patients' overall health.
  • The review found that autologous reconstruction often leads to chronic pain at donor sites, while implant-based options have a lower risk, highlighting the need for effective pain management strategies to improve patient outcomes.*
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  • * In a sample of 67 PD patients previously diagnosed with dopamine transporter scintigraphy, TCS confirmed visibility of the midbrain in 64.1% of patients, while high-signal-intensity lesions were found in 35.8%.
  • * The findings suggest that patients with normal MIBG results may still have significant lesions, indicating that TCS could serve as a valuable diagnostic tool for identifying high-signal-intensity substantia nigra lesions in
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Article Synopsis
  • - Daungsupawong et al. discuss language input differences in their Letter to the Editor, highlighting how advanced AI models like GPT-4 have improved in handling multiple languages, specifically English and Chinese.
  • - The authors note that newer large language models (LLMs) show better reference capabilities, with GPT-4 outperforming GPT-3.5 in referring to existing studies and information.
  • - They suggest that future research should focus on improving the efficacy of LLMs in providing accurate medical information in multiple languages, while also addressing current limitations.
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In response to the commentary by Daungsupawong and Wiwanitkit (doi: 10.1177/15347346241247914), we authored a reply letter addressing their concerns regarding our previous publication (doi: 10.1177/15347346241236811).

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Background: At present, there is no golden standard for treatment of extracranial arteriovenous malformations (AVMs) and recurrence remains a major challenge with limited available evidence on the associated factors. This study aimed to evaluate the effectiveness of surgical treatment options, in terms of size reduction, symptoms, and early recurrence in patients treated surgically for AVMs.

Methods: A retrospective cohort study was conducted to evaluate patients with AVMs following surgical treatment in 2 centers from 2005 to 2020.

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To evaluate the accuracy of AI chatbots in staging pressure injuries according to the National Pressure Injury Advisory Panel (NPIAP) Staging through clinical image interpretation, a cross-sectional design was conducted to assess five leading publicly available AI chatbots. As a result, three chatbots were unable to interpret the clinical images, whereas GPT-4 Turbo achieved a high accuracy rate (83.0%) in staging pressure injuries, notably outperforming BingAI Creative mode (24.

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  • ChatGPT, an AI language model by OpenAI, was evaluated for its ability to accurately answer clinical questions regarding the management of blepharoptosis, based on guidelines from the American Society of Plastic Surgeons.
  • The study involved analyzing responses from ChatGPT to 11 questions posed in both English and Japanese, revealing a higher accuracy rate for English responses (76.4%) compared to Japanese (46.4%).
  • While ChatGPT shows promise as a helpful tool in medical practice, it has significant limitations and should primarily support, rather than replace, the expertise of healthcare professionals.
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Background: Chat generative pre-trained transformer (ChatGPT) is a publicly available extensive artificial intelligence (AI) language model that leverages deep learning to generate text that mimics human conversations. In this study, the performance of ChatGPT was assessed by offering insightful and precise answers to a series of fictional questions and emulating a preliminary consultation on blepharoplasty.

Methods: ChatGPT was posed with questions derived from a blepharoplasty checklist provided by the American Society of Plastic Surgeons.

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Vascular malformations in the extremities are a common site of occurrence; arteriovenous malformations (AVMs) are the least frequent of all vascular malformations, estimated at 5% to 20%. The first step in management is to perform a thorough clinical examination. Symptoms are assessed, and staging is performed using the Schobinger classification.

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Type 2 diabetes is a significant global health concern. It often causes diabetic foot ulcers (DFUs), which affect millions of people and increase amputation and mortality rates. Despite existing guidelines, the complexity of DFU treatment makes clinical decisions challenging.

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