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Bleeding Wound clinical trials

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NCT ID: NCT04285775 Completed - Hemorrhage Clinical Trials

A Novel Device for Surveillance of Vascular Access Sites for Bleeding

Start date: March 1, 2019
Phase:
Study type: Observational

Background Bleeding is often encountered after vascular access procedures for dialysis and fatal episodes of haemorrhage has been reported. A technological solution was sought to monitor for such rare but potentially catastrophic incidents. A novel device, BWATCH, was developed to detect fresh blood from wounds. Aims The aim of this clinical trial was to evaluate the sensitivity and specificity of the device in detecting bleeding in a clinical environment. Methods This a prospective, observational study on inpatients who will have a dialysis catheter inserted or removed. The device will be placed over the dressing for at least 6 hours. An alarm will be triggered if the device detects moisture and wavelength of light reflected specific for haemoglobin.

NCT ID: NCT03734328 Completed - Pain, Postoperative Clinical Trials

Evaluation of the Effects of Platelet Rich Fibrin on the Palatal Mucosal Healing

Start date: June 30, 2018
Phase: N/A
Study type: Interventional

Subepithelial connective tissue graft (SCTG) has greater predictability for root coverage and causes minimal discomfort to patient. Although donor site heals with primary intention causing less scar tissue, in some different harvesting procedures primary flap closure may not be achieved due to nature of thick palatal tissues. Some potential complications may occur at donor site such as: necrosis of graft and palatal site, pain, excessive hemorrhage, protracted discomfort, donor site infection and in some cases donor site paresthesia. Platelet rich fibrin (PRF) is a platelet concentrate obtained by a simple procedure that does not require biochemical blood involvement.Based on the known biological effects of PRF, the aim of this study is to evaluate the PRF in the management of soft tissue donor sites in term of bleeding and pain sensation, and to observe the changes in tissue healing after a subepithelial connective tissue graft procedure at palatal donor site.