Arthroscopic shoulder surgery with epinephrine saline irrigation

Area of Science:

• Orthopedic Surgery
• Anesthesiology
• Surgical Innovation

Background:

• Intraoperative bleeding and suboptimal visualization are common challenges in arthroscopic shoulder surgery.
• Effective methods to control bleeding and enhance surgical field clarity are crucial for patient outcomes.

Purpose of the Study:

• To evaluate the efficacy of dilute epinephrine (0.33 mg/L) saline irrigation in reducing intraoperative bleeding during arthroscopic shoulder surgery.
• To assess the impact of epinephrine irrigation on the clarity of the surgical visual field.
• To investigate potential cardiovascular adverse events associated with intra-articular epinephrine administration.

Main Methods:

• Prospective, randomized, double-blinded, placebo-controlled study involving 54 patients undergoing arthroscopic shoulder surgery.
• Patients were randomized to receive either dilute epinephrine or plain saline irrigation via a pressure-controlled pump.
• Intraoperative bleeding was quantified by measuring hemoglobin concentration in the irrigation fluid; visual field clarity was assessed using a visual analog scale.

Main Results:

• Significantly reduced intraoperative bleeding was observed in the epinephrine irrigation group (P =.008).
• Markedly improved clarity of the visual field was reported in the epinephrine group (P =.0007).
• No adverse cardiovascular reactions were noted in patients receiving intra-articular epinephrine.

Conclusions:

• The use of dilute epinephrine in saline irrigation effectively reduces intra-articular bleeding during arthroscopic shoulder surgery.
• Epinephrine irrigation appears to enhance the visualization of the surgical field, potentially improving surgical precision.
• Intra-articular administration of dilute epinephrine in this context is safe, with no observed cardiovascular complications.