The Effect of Cold Spray Application in Reducing Pain and Ecchymosis in Patients Receiving Low Molecular Weight Heparin Prophylaxis After Orthopedic Surgery

Detailed Summary

Heparin is a widely used anticoagulant for thrombosis prevention, and low molecular weight heparin (LMWH) has become the preferred option due to its higher bioavailability, strong antithrombotic effect, and lower risk of complications. However, subcutaneous LMWH injections-commonly administered in the abdomen, arm, or thigh-often cause local side effects such as pain, ecchymosis, and hematoma. The incidence of ecchymosis after injection ranges between 26-89%, and various factors such as injection site, needle size, injection duration, and techniques can influence these outcomes. Cold application is frequently used to reduce injection-related pain and bruising by inducing vasoconstriction, decreasing nerve conduction, and increasing pain tolerance. In orthopedic surgery patients, limited injection sites due to dressings, casts, or splints may increase the risk of repeated bruising and pain. Although cold compresses have been studied in reducing injection-related complications, no research has evaluated the effect of cold spray prior to LMWH administration in this patient group. Therefore, standardized studies are needed to determine whether cold spray is an effective, practical alternative for reducing pain and ecchymosis following LMWH prophylaxis after orthopedic surgery.

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