Publications by authors named "Tamae Urai"

Aim: 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 pressure injuries closed.

Methods: A bench-to-clinical bedside investigation was conducted. In the bench, three multilayered silicone foam dressings were assessed.

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Article Synopsis
  • The clinical practice guideline aims to guide nurses in assessing aspiration and pharyngeal residue to prevent aspiration pneumonia in adults with oropharyngeal dysphagia during eating and swallowing.
  • Established by the Japan Academy of Nursing Science in April 2018, the guideline follows the Minds Manual for Guideline Development 2017 to ensure evidence-based management options that consider patient values and benefits.
  • Ten recommendations were developed from various assessment methods, with eight classified as GRADE 2C, demonstrating the guideline's reliability and incorporation of recent research findings.
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Preventing recurrent pressure ulcers is an important challenge in healthcare. One of the reasons for the high rate of recurrent pressure ulcers is the lack of assessment methods for their early detection. Therefore, this study aimed to determine the thermographic characteristics of the healed area and to consider the predictive validity of thermographic images for recurrent pressure ulcers within a 2-week period.

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Article Synopsis
  • The study aimed to evaluate how effective ultrasonography is at identifying aspiration and pharyngeal residue in patients with swallowing difficulties (dysphagia).
  • A systematic review analyzed multiple databases for studies published in English and Japanese, resulting in five studies that provided diagnostic accuracy measurements for aspiration, with good sensitivity (82%) and specificity (87%).
  • Ultrasound is considered a non-invasive and useful bedside tool for detecting aspiration, although the overall reliability of the findings was limited by potential biases and a small number of studies.
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[Aim] Because painful skin tears frequently occur in older patients, the prevention of skin tears is fundamental to improve their quality of life. However, a risk assessment tool for skin tears has not been established yet in Japan. Therefore, we aimed to propose a risk scoring tool for skin tears in Japanese older adult.

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Objective: The sacral skin of bedridden older patients often develops a dysbiotic condition. To clarify whether the condition changes or is sustained over time, we analyzed the skin microbiome and the skin physiological functions of the sacral skin in patients who completed our 2017 study.

Methods: In 2019, we collected the microbiome on the sacral region and measured sacral skin hydration, pH, and transepidermal water loss from 7 healthy young adults, 10 ambulatory older adults, and 8 bedridden older patients, all of whom had been recruited for the 2017 study.

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Background: Preventing recurrent pressure injuries (RPIs) is one of the important challenges faced in healthcare, but the risk factors of RPIs have not been fully revealed. This study aims to explore factors associated with RPIs, by focusing on skin physiology and its microbiome as local factors crucial for the health of healed tissue after pressure injury healing.

Methods: This prospective observational study was conducted in a long-term care facility in Japan with patients whose PIs had healed within 1 month.

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With the increase in the older populations, the number of bedridden older patients is becoming a matter of concern. Skin microbiome and skin physiological functions are known to change according to lifestyle and community; however, such changes in case of movement- and cleaning-restricted bedridden older patients have not yet been revealed. To address this issue, we analyzed skin microbiome and skin physiological functions, including pH, hydration, sebum level, and transepidermal water loss (TEWL), of bedridden older patients, compared with those of ambulatory older and young individuals.

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Objective: Prevention of recurrent pressure ulcers (PU) is one of the most important challenges in wound care, furthermore, the risk factors for recurrent PUs are still not fully understood. This study aimed to explore the risk factors for recurrent PU development within two weeks, including biophysical skin properties, pro-inflammatory cytokine (tumour necrosis factor [TNF]-α) levels and bacterial species, in older patients.

Method: This prospective study was conducted in a long-term care facility with patients whose PU had healed within two months.

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Background: Previously, we showed that lymphatic vessels (LVs) formed detours after lymphatic obstruction, contributing to preventing lymphedema. In this study, we developed detours using lymphatic ligation in mice and we identified the detours histologically.

Methods And Results: Under anesthesia, both hindlimbs in mice were subcutaneously injected with Evans blue dye to detect LVs.

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The prevention of progression of Category I pressure ulcers (PUs) to Category II or higher is important, as Category II or higher PUs are open wounds and have a higher infection risk. Prognosis prediction of Category I PUs is necessary to provide successful intensive care for PUs with impaired healing. We focused on skin blotting using plasminogen activator inhibitor 1 (PAI1), interleukin-1α (IL-1α), vascular endothelial growth factor C (VEGF-C), and heat shock protein 90α (HSP90α).

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Since lymphedema rarely develops in the mouse hindlimb, the underlying mechanisms remain unclear. We herein investigated the resolution of chronic hindlimb lymphedema in mice using a Near-Infrared Fluorescence (NIRF) imaging system. Nineteen 7-28-week-old BALB/c male and female mice were injected with two dyes for lymphography and dissection.

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Introduction: The wound healing properties of honey, including blossom honey, are well known; however, the effects of honeydew honey during the wound healing process have not yet been investigated and thus remain unclear.

Objective: This study compares the effects of honeydew honey with those of blossom honey.

Materials And Methods: A total of 140 mice were divided into 2 control groups, which received either a hydrocolloid dressing (HCD; n = 22) or gauze (n = 22), and 4 experimental groups: honeydew honey (n = 23), Acacia honey (n = 23), Manuka honey (n = 22), and Japanese Pharmacopoeia honey (n = 28).

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Objective: The aim of the present observational study was to identify safe and suitable venipuncture sites for nursing in the clinical setting using ultrasonography to measure the depth and cross-sectional area of each superficial vein before and after tourniquet application as well as the distance between each superficial vein and the median nerve or brachial artery.

Methods And Results: Twenty healthy volunteers (21.8 [0.

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It is becoming increasingly important for clinicians to identify a safer intramuscular (IM) injection site in the deltoid muscle because of possible complications following the vaccine administration of IM injections. We herein examined 4 original IM sites located on the perpendicular line through the mid-acromion to establish a safer IM injection site. Thirty healthy volunteers participated in this study and the distances from our 4 IM sites to some anatomical landmarks on their left arms were measured.

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Background: Although lymphedematous skin exhibits delayed wound healing, little is known about lymph drainage during wound healing. We investigated the wound healing process in the presence of lymphatic dysfunction.

Methods And Results: The right inguinal lymph nodes (iLNs) and the surrounding tissue were excised in each mouse (the operation side), and a sham operation was performed in the left hindlimb (the control side).

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Introduction: The aim of this study was to investigate the effects of changing the application of Japanese honey to a hydrocolloid dressing (HCD) in between the inflammatory and proliferative phases on cutaneous wound healing in 8-week-old, BALB/cCrSlc male mice.

Materials And Methods: Mice were divided into 4 groups: acacia honey followed by a HCD, buckwheat flour honey followed by a HCD, Chinese milk vetch honey followed by a HCD, and a HCD alone (control group). All mice received 2 full-thickness wounds on both sides of the dorsum using a Disposable Biopsy Punch.

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Estrogen promotes cutaneous wound healing in ovariectomized (OVX) female mice. However, the effects of topical estrogen application on wounds remain unclear. Therefore, the aim of this study was to compare the effects of topical estrogen application on wounds with standard treatment methods.

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The aim of this study was to evaluate the effect of the combined use of Japanese honey and hydrocolloid dressing (HCD) on cutaneous wound healing. Mice were divided into four groups: the Acacia (Japan) + HCD, Manuka (New Zealand) + HCD, Chinese milk vetch (Japan) + HCD, and HCD (control) groups. The mice received two full-thickness wounds.

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Cutaneous wound healing is delayed by protein malnutrition (PM). On the other hand, estrogen promotes cutaneous wound healing by its anti-inflammatory and cell proliferation effects. Therefore, we hypothesized that estrogen administration in protein-malnourished ovariectomized (OVX) female mice might improve the inflammatory response and promote cutaneous wound healing as well as normal nutrition.

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This study investigated the effect of 17β-estradiol on wound healing in 40-week ovariectomised female mice. Thirty-six-week-old female mice were divided into three groups: medication with 17β-estradiol after ovariectomy (OVX + 17β-estradiol), ovariectomy (OVX) and sham (SHAM). The mice received two full-thickness wounds, and the OVX + 17β-estradiol group was administered 17β-estradiol at 0·01 g/day until healing.

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The purpose of this study was to investigate the effectiveness of Indonesian honey in wound healing compared to Tegaderm hydrocolloid dressing and Manuka honey. Three groups of male mice were treated to produce 2 circular, full-thickness skin wounds on the dorsum. They were then randomly allocated to receive daily Indonesian honey, Manuka honey, or hydrocolloid (control).

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