The Effect of Preoperative Intravenous Fluid Bolus on Post-induction Hypotension in Elective Cystoscopies.

The Effect of Preoperative Intravenous Fluid Bolus on Post-induction Hypotension in Elective Cystoscopies.

This study aims to determine whether a standardized, weight-based crystalloid fluid bolus administered preoperatively reduces the incidence of postinduction hypotension (PIH) in patients undergoing cystoscopy.

Inclusion Criteria:

1. Age ≥ 18 years old.
2. Undergoing elective cystoscopy surgery as the primary procedure.
3. Able to provide informed consent.

Exclusion Criteria:

1. Emergency surgeries.
2. Past history of amputations of any body part.
3. Allergies or contraindications to any medications used in the protocol or lactated ringers.
4. Systolic heart failure with LVEF < 30% within the last year.
5. Severely depressed RV function within the last year.
6. Restrictive diastolic dysfunction within the last year.
7. Currently pregnant.