Masushi Kohta

ORCID: 0000-0002-3290-937X
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About
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Research Areas
  • Wound Healing and Treatments
  • Pressure Ulcer Prevention and Management
  • Diagnosis and Treatment of Venous Diseases
  • Diabetic Foot Ulcer Assessment and Management
  • Dermatology and Skin Diseases
  • Antimicrobial agents and applications
  • Dermatologic Treatments and Research
  • Ocular Surface and Contact Lens
  • Photoacoustic and Ultrasonic Imaging
  • Advancements in Transdermal Drug Delivery
  • Mobile Health and mHealth Applications
  • Entomological Studies and Ecology
  • Dendrimers and Hyperbranched Polymers
  • Nanoparticle-Based Drug Delivery
  • Contact Dermatitis and Allergies
  • Ultrasonics and Acoustic Wave Propagation
  • Balance, Gait, and Falls Prevention
  • Surgical Sutures and Adhesives
  • Telemedicine and Telehealth Implementation
  • Body Contouring and Surgery
  • Ultrasound Imaging and Elastography
  • Antimicrobial Peptides and Activities
  • Growth Hormone and Insulin-like Growth Factors
  • Polymer Surface Interaction Studies
  • Lymphatic System and Diseases

Fujita Health University
2021-2025

Alcare (Japan)
2014-2021

Iscare I.V.F
2015

Kindai University
2004

Abstract Background The use of mobile apps to promote knowledge level, practice, and behavioral change potential has become increasingly common. However, studies on targeting social welfare employees working in the home-care setting prevent pressure injury (PI) are lacking. care manager (CM) plays a key role connecting demand supply services. PI is more prevalent setting, where resources limited, than acute settings. Objective research hypothesis was that CMs who app will have improved...

10.2196/57768 article EN cc-by JMIR Formative Research 2025-02-07

The taxane chemotherapeutic agent docetaxel has been used as a therapy for various cancers. Some patients receiving develop serious problems with fluid retention, which leads to peripheral edema formation, reducing the patient's quality of life. This study investigated effect administration on dynamics in mice step toward developing advanced preventive measures nursing. Mice were administered 10 mg/kg/day intravenously 5 days intervention group or normal saline control group. To investigate...

10.20407/fmj.2024-023 article EN PubMed 2025-05-01

Purpose: This study evaluated the in vitro antibacterial activity and cytotoxicity of various commercially available silver-containing dressings (Ag dressing). Methods: Biohesive Ag (hydrocolloid, silver sulfadiazine), Aquacel® (nonwoven fabric, ionic [Ag+]), Algisite™ Ag+), Mepilex® (foam, sulfate), PolyMem® nanocrystalline silver) were tested for characteristics Ag+ release, activity, cytotoxicity. The release was investigated cell culture medium at immersion periods 6, 24, 48 hours....

10.1097/psn.0000000000000096 article EN Plastic Surgical Nursing 2015-10-01

Abstract To characterize skin ulcers for bacterial infection, quantitative ultrasound (QUS) parameters were estimated by the multiple statistical analysis of echo amplitude envelope based on both Weibull and generalized gamma distributions ratio mean to standard deviation envelope. Measurement objects three rat models (noninfection, critical colonization, infection models). Ultrasound data acquired using a modified ultrasonic diagnosis system with center frequency 11 MHz. In parallel,...

10.7567/jjap.55.07kf14 article EN Japanese Journal of Applied Physics 2016-06-20

Objective: This study evaluated the effect of pressure injury (PI) prophylactic dressings used for patients at high risk PI development to reduce friction, shear force and pressure, their combined force, in an original polymer-based skin model. Method: A low-friction outer-layer hydrocolloid (LFH) dressing a multilayered silicone foam (MSF) were used. Before application, compression friction properties measured. Our experimental model—the ‘simulated skin-shearing test’—consisted of: weight;...

10.12968/jowc.2024.33.sup2.s4 article EN Journal of Wound Care 2024-02-01

We aimed to investigate the association between presence of cutaneous urease-producing bacteria and development incontinence-associated dermatitis (IAD) using an original urea agar medium as a step toward developing advanced preventive measures. In previous clinical assessments, we developed detect via medium's colour changes. cross-sectional study, specimens were collected swabbing technique at genital skin sites in 52 stroke patients hospitalised university hospital. The primary objective...

10.1111/iwj.14209 article EN cc-by-nc-nd International Wound Journal 2023-04-24

ABSTRACT Polymeric systems for antibacterial wound dressings require chemical reactions or syntheses attaching incorporating moieties into polymer backbones. However, these materials often fail to satisfy the basic requirements, such as easy and inexpensive synthesis. We speculated that a positively charged organic agent would be attracted polar groups of poly(vinyl alcohol) (PVA) hydrogels show suppressed release. PVA containing cetylpyridinium chloride (CPC) were prepared by γ irradiation....

10.1002/app.40456 article EN Journal of Applied Polymer Science 2014-02-05

Background: Numerous clinical challenges regarding adhesive dressings have shown that using an dressing could minimize or prevent superficial skin loss in patients at risk of developing pressure ulcers. However, evidence polyurethane film and ceramide 2-containing hydrocolloid can reduce the ulcer development high-risk undergoing surgery is limited. Therefore, we assessed effects application these for reducing identified other factors. Methods: A matched case-control study was conducted...

10.2147/cwcmr.s77087 article EN cc-by-nc Chronic Wound Care Management and Research 2015-02-01

To determine the prophylactic effect of hydrocolloid dressings on hypertrophic scarring in post-cesarean section wounds.

10.1097/asw.0000000000000155 article EN Advances in Skin & Wound Care 2024-06-20

Purpose: This study evaluated the in vitro antibacterial activity and cytotoxicity of various commercially available silver-containing dressings (Ag dressing). Methods: Biohesive Ag (hydrocolloid, silver sulfadiazine), Aquacel ® (nonwoven fabric, ionic [Ag + ]), Algisite™ ), Mepilex (foam, sulfate), PolyMem® nanocrystalline silver) were tested for characteristics release, activity, cytotoxicity. The release was investigated cell culture medium at immersion periods 6, 24, 48 hours. against...

10.2147/cwcmr.s72101 article EN cc-by-nc Chronic Wound Care Management and Research 2015-01-01

Abstract Zwitterionic polymethacrylamides, poly(Nα-methacrylamide-l-lysine) [poly(α-LysMA)] and poly(Nε-methacrylamide-l-lysine) [poly(ε-LysMA)] were prepared to examine their bioactivity by an evaluation of fibrinolytic activity a binding assay using resonant mirror biosensor (IAsys). Poly(α-LysMA) enhanced the plasminogen/tissue-type plasminogen activator while no enhancement was observed in case poly(ε-LysMA). A strong interaction between Plg poly(α-LysMA) also IAsys when compared with

10.1246/cl.2004.646 article EN Chemistry Letters 2004-04-26

Purpose: Previous studies on pressure injury prevention using questionnaire surveys have targeted physicians and nurses working in hospitals. However, few administered to social welfare professionals at home care. Thus, this study aimed investigate the current level of knowledge practice regarding among Japanese care managers. Patients methods: A cross-sectional managers a city was performed from June July 2016. Data were collected assess participants' for prevention. The included 1)...

10.2147/cwcmr.s140673 article EN cc-by-nc Chronic Wound Care Management and Research 2017-08-01

Introduction: The adverse aesthetic effects of post-surgical scars frequently impose a psychological burden on patients. We conducted an Internet-based questionnaire survey Japanese individuals to explore patient satisfaction with respect surgical and identify the factors that affect their interest experience scar care. Method: A cross-sectional study was for previous year patients who had undergone following surgeries: gastrointestinal; orthopaedic; obstetric; gynaecological; plastic....

10.1177/2059513120928515 article EN cc-by-nc Scars Burns & Healing 2020-01-01

Purpose: There have been previous clinical studies regarding the impact of dressings on prevention pressure ulcer development. However, it remains unclear whether one type dressing is better than any other for preventing development during surgery. Therefore, we compared effects ceramide 2-containing hydrocolloid with film in high-risk patients regard to reducing incidence Patients and methods: A prospective, randomized, open-label, trial was conducted involving who were at a high risk...

10.2147/cwcmr.s93555 article EN cc-by-nc Chronic Wound Care Management and Research 2015-11-01

Aim To compare the isolated and identified bacterial species colonizing on genital skin between patients with without incontinence‐associated dermatitis. Methods This cross‐sectional study included 102 stroke admitted to an acute hospital in Japan. Swabs were collected, found swabs using a selective agar medium simple identification kits. In addition demographic information, severity of dermatitis total counts measured. Results Incontinence‐associated was present 53.9% participants....

10.1111/ggi.14624 article EN Geriatrics and gerontology international/Geriatrics & gerontology international 2023-06-14

Purpose: This study evaluated the effect of a new secondary dressing used as topical aid sliding sheet for friction and shear force reduction on mechanical stresses generated human skin, including interface internal pressure, using polyurethane gel-based skin model. A case was conducted to propose how clinically use pressure injury treatment in home-care setting. Methods: model mimicking properties prepared. In parallel measurement performed an experimental consisting model, primary wound...

10.2147/cwcmr.s284180 article EN cc-by-nc Chronic Wound Care Management and Research 2021-02-28

Background: Cellulitis is frequently encountered in patients with lymphedema despite existing prevention protocols. To resolve this issue, social aspects surrounding patients, such as communication and professionals, are necessary to consider new approaches. This study aimed clarify the association between history of cellulitis access specialists after adjustment for relevant confounding factors. Methods Results: was a secondary analysis Lymphoedema IMpact PRevalence—INTernational (LIMPRINT)...

10.1089/lrb.2021.0056 article EN cc-by Lymphatic Research and Biology 2021-09-28

The aim of the current study was to assess inter-rater reliability and agreement Pressure Injury Primary Risk Assessment Scale for Home Care (PPRA-Home), a risk assessment scale recently developed Japan-specific social welfare professionals called care managers, predict pressure injury in geriatric individuals who require long-term home needs.A multicenter cross-sectional conducted at 30 home-based support services facilities located four local districts Japan. Eligible participants were...

10.2147/jmdh.s291162 article EN cc-by-nc Journal of Multidisciplinary Healthcare 2020-12-01

The Pressure Injury Primary Risk Assessment Scale for Home Care (PPRA-Home) was developed to predict pressure injury risk in geriatric individuals requiring long-term care home settings. This study aimed compare the convergent validity of PPRA-Home that two other standardized prevention scales: Braden and Ohura-Hotta (OH) scales.A multicenter, cross-sectional conducted with 34 home-based support service providers located five Japanese districts. included 69 participants (30 had a 39 did not)...

10.2147/jmdh.s294734 article EN Journal of Multidisciplinary Healthcare 2021-02-01

We aimed to determine (1) the prevalence of constipation among inpatients, (2) and symptoms difficult defecation constipated (3) factors associated with constipation.

10.20407/fmj.2024-006 article EN PubMed 2024-11-01

Elevated skin pH facilitates the number of pathogenic bacteria increase, leading to barrier dysfunction. This phenomenon is typically observed in individuals with Incontinence-associated dermatitis (IAD), which imposes a substantial physical and psychological burden on afflicted individuals. We evaluated association between development IAD community-dwelling women urinary incontinence cutaneous urease-producing bacteria, as these may be involved elevating by chemical reaction urea urine.

10.2147/jmdh.s492458 article EN cc-by-nc Journal of Multidisciplinary Healthcare 2024-12-01

2- (Dansyloxy) ethyl methacrylate [DnsEMA] とN-tert-butoxycarbonyl-O-methacryloyl-L-serine diphenylmethyl ester (Boc-SerMA-Ph2) を合成し, ラジカル重合により得た共重合体をトリフルオロ酢酸 (TFA) で脱保護して, ダンシル (Dns) 基でラベル化した両性イオン構造をもつpoly (O-methacryloyl-L-serine) [poly (SerMA-co-DnsEMA), DnsEMA含量: 0.8mol%] TFA塩を得た. poly (SerMA-co-DnsEMA) 存在下, pH=1.5~12溶液中で蛍光測定 (励起光: λex=325nm) した結果, 蛍光波長はほとんど変化しなかったが, pH=6.2のPoly (SerMA) の等電点付近まではpHの増大とともに蛍光強度が直線的に増加するpH応答性を示した. またpoly 水溶液に血漿タンパク質アルブミン (Alb), γ-グロブリン (Glo), およびフィブリノーゲン...

10.1295/koron.60.30 article EN KOBUNSHI RONBUNSHU 2003-01-01

This study aimed to evaluate the use of multilayered silicone foam dressings for preventing pressure injury recurrence by reducing friction, pressure, and shear force at skin sites where previous injuries closed.A bench-to-clinical bedside investigation was conducted. In bench, three were assessed. The simulated skin-shearing test consisted a weight, polyurethane-based model containing three-axis tactile sensor, dressings, table covered with bedsheets, mechanical tester. tester...

10.1111/jjns.12504 article EN Japan Journal of Nursing Science 2022-06-30

In the treatment of pressure ulcers and leg it is necessary to achieve an effective balance between adhesive skin-protective properties. We speculated that addition a tackifying agent (TA) ceramide 2-containing hydrocolloid dressings would increase their adhesiveness under dry conditions reduce wet because tack converts after water absorption.We prepared with varying amounts TA. Basic characteristics test ceraminde dressings, such as initial force peeling force, were evaluated using standard...

10.12968/jowc.2015.24.1.41 article EN Journal of Wound Care 2014-12-29
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