Publications by authors named "Haruka Kawamoto"

Background: Lymphedema can develop during the progression of neoplastic diseases and is a devastating complication in patients with cancer receiving palliative care. This study aimed to investigate the course of treatment for lymphedema in patients receiving palliative care to assess posttreatment outcomes.

Methods: This single-center, retrospective cohort study reviewed the maintained database of patients with lymphedema who presented to our department from January 2015 through December 2022.

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Background: Hyperbaric oxygen therapy (HBOT) has shown potential in salvaging compromised flaps, although its application has primarily been focused on local flaps rather than free flaps.

Case: In this case report, we present the successful use of HBOT in a 76-year-old man who underwent free flap reconstruction for calcaneal osteomyelitis. Despite undergoing 2 reoperations on the second and third days post reconstruction, no thrombosis was observed at the anastomotic site.

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This single-centre retrospective cohort study aimed to clarify the superiority of treatment by comparing the outcomes of lymphaticovenular anastomosis with compression therapy and conservative treatment centred on compression therapy in the early stage of breast cancer-related lymphoedema. Data were collected from all patients treated for breast cancer-related lymphoedema between January 2015 and December 2022. The patients were classified into conservative treatment and surgical treatment groups.

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Objective: Several options for the treatment of lower extremity lymphedema (LEL) can be broadly classified into conservative treatment, such as compression garments and decongestive lymphatic therapy, and surgical treatment, such as lymphaticovenular anastomosis (LVA). The purpose of our study was to clarify the superiority of these treatments by comparing the outcomes of LVA with those of conservative treatment for early-stage LEL.

Methods: We performed a single-center, retrospective cohort study.

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Introduction: MTX-LPD is a complication that occurs during MTX treatment. Skin lesions in MTX-LPD are often subcutaneous nodules with occasional necrosis and ulceration. Although MTX-LPD regression is frequently observed upon discontinuation of oral MTX treatment, delayed diagnosis of MTX-LPD with associated ulceration may lead to ulcer enlargement and the need for surgical procedures such as skin grafts.

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This case series aimed to investigate the result of venous end-to-side (ETS) anastomosis in the extremities to contribute to a meta-analysis to evaluate the postoperative complications of venous ETS anastomosis in the extremities. This was a single-center case series and meta-analysis of patients who underwent venous ETS anastomosis for free-flap reconstruction of the extremities. We reviewed the records of 41 free flaps in 40 patients and performed a comprehensive search of PubMed, Scopus, and Web of Science for studies published from inception to December 2022.

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Background:  Combined revascularization and free flap reconstruction is one treatment method for chronic limb-threatening ischemia (CLTI) with complex wounds. The purpose of this systematic review and meta-analysis was to investigate the characteristics of this combined procedure and to assess postoperative outcomes.

Methods:  A systematic search was performed across PubMed, Scopus, and the Web of Science for studies between January 2000 and February 2022.

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Background: Free flaps for soft tissue coverage of the lower extremity can be broadly divided into muscle/musculocutaneous and fasciocutaneous flaps. The purpose of this systematic review and meta-analysis was to assess their different post-operative outcomes.

Methods: A systematic search was performed in PubMed, Scopus, and the Web of Science from their inception to February 2022.

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Background: Free flap surgeries are useful procedures for lower-extremity reconstruction. Recipient vein selection for anastomosis is important to avoid venous congestion and thrombosis. Although deep or superficial venous system can be used as a recipient vein site, there is a lack of consensus on which system would be superior to avoid postoperative complications.

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Introduction: Post-fracture fixation surgical site infection (SSI) is a devastating complication, and the standard-of-care therapeutic regimen is ineffective in managing it. Negative pressure wound therapy with instillation and dwell time (NPWTi-d) can be used to salvage orthopedic fixation hardware in the setting of infection; moreover, NPWTi-d can be used effectively in the management of superficial post-fracture fixation SSI.

Case Report: Two cases were treated with NPWTi-d.

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Deep sternal wound infection is a serious postoperative complication of cardiac surgery and often requires flap reconstruction. Herein, we report a case of deep sternal wound infection with an extensive thoracic defect that was successfully treated using a modified technique. This technique, defined as "supercharging," anastomoses the deep inferior epigastric artery and vein of pedicled rectus abdominis musculocutaneous flap to the transverse cervical artery and external jugular vein, respectively.

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Background: Distally based dorsal metacarpal flaps for the reconstruction of finger soft-tissue defects are classified into 3 categories: dorsal metacarpal artery perforator flap, reverse dorsal metacarpal artery (RDMA) flap, and extended reverse dorsal metacarpal artery (ERDMA) flap. The present systematic review aimed to evaluate differences in the outcomes of commonly encountered defects and postoperative complications among these three flaps.

Methods: PubMed, Scopus, and Web of Science were systematically searched from when the flats were first reported to May 2021.

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Background: Groin wound infections in vascular surgery are still a common complication and challenging problem. This systematic review aimed to establish a complete view of patient characteristics and clinical outcomes for infected groin wounds following vascular surgery reconstruction using muscle flaps and to evaluate the differences in outcomes between the sartorius muscle flap (SMF), rectus femoris muscle flap (RFF), and gracilis muscle flap (GMF).

Methods: PubMed, Scopus, and Web of Science were systematically searched from inception to April 2021.

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Background: Taking pictures of protruding body parts (such as fingertips, toes, nipples, auricles, hands, and feet) from multiple directions is difficult. To solve this problem, we developed a simple and easy-to-use device, using mirrors.

Methods: The device is composed of 4 trapezoidal plane plastic mirrors firmly connected to each other.

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In water, diketopiperazines cyclo(L-Pro-L-Xxx) and cyclo(L-Pro-D-Xxx) (Xxx=Phe, Tyr) formed an intramolecular hydrophobic interaction between the main skeleton part and their benzene ring, and both cyclo(L-Pro-L-Xxx) and cyclo(L-Pro-D-Xxx) took a folded conformation. The conformational changes from folded to extended conformation by addition of several deuterated organic solvents (acetone-d, metanol-d, dimethyl sulfoxide-d (DMSO-d)) and the temperature rise were investigated using H-NMR spectra. The results suggested that the intrarmolecular hydrophobic interaction of cyclo(L-Pro-D-Xxx) formed more strongtly than that of cyclo(L-Pro-L-Xxx).

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