Endoscopic Nd:YAG laser therapy in upper gastrointestinal bleeding.

Area of Science:

• Gastroenterology
• Endoscopic Surgery
• Medical Technology

Background:

• Upper gastrointestinal bleeding (UGIB) is a significant clinical challenge.
• Endoscopic therapies are crucial for managing acute UGIB.
• Laser therapy offers a non-contact approach for hemostasis.

Purpose of the Study:

• To evaluate the efficacy and safety of endoscopic laser therapy for acute upper gastrointestinal bleeding.
• To assess rebleeding rates and the need for surgery after laser treatment.
• To determine the potential of laser therapy in converting emergency surgery to elective procedures.

Main Methods:

• A cohort of 37 patients with acute UGIB or stigmata of bleeding were treated with non-contact endoscopic laser therapy.
• Treatment was administered between 1983 and 1986.
• Patient outcomes, including rebleeding and operative intervention, were recorded.

Main Results:

• Laser therapy achieved initial hemostasis in 95% of patients during acute bleeding.
• A substantial rebleeding rate of 41% was observed within a week post-therapy.
• Emergency surgery was required in 30% of patients, and the overall mortality rate was 10.8%.

Conclusions:

• Endoscopic laser coagulation is effective for initial control of acute upper GI bleeding.
• A considerable risk of rebleeding exists, highlighting the need for careful patient selection and monitoring.
• Laser therapy may facilitate conversion of emergency to elective surgery if high-risk patients for rebleeding are identified early.