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Phenylephrine versus Norepinephrine Infusion in the Prevention of Spinal Anesthesia-Associated Hypotension during Total Knee Replacement Procedures

Phenylephrine versus Norepinephrine Infusion in the Prevention of Spinal Anesthesia-Associated Hypotension during Total Knee Replacement Procedures

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR202408827486439
Enrollment
135
Registered
2024-08-30
Start date
2022-11-01
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Surgery Orthopaedics Anaesthesia

Interventions

Sponsors

Mansoura University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: • Patients aged above 50 years and scheduled for elective TKR surgery. • Both genders will be included. • American society of anesthesiologists class I or II

Exclusion criteria

Exclusion criteria: • Operations with severe blood loss. • Patients commenced on cardiac medications interfering with the tested drugs including beta-blockers, calcium channel blockers, monoamine oxidase inhibitors and alpha-receptor blockers. • Patients with congestive heart failure or Cardiac arrhythmia. • Uncontrolled Hypertension or diabetes mellitus • History of renal, hepatic, cardiac, cerebrovascular, thyroid or muscle diseases. • Contraindications for spinal anesthesia like bleeding diathesis, anticoagulant therapy, or local infection at the injection site. • Known allergy to any of the study medications. • Obesity (BMI >30 kg m2 or <20 kg m2.

Design outcomes

Primary

MeasureTime frame
The incidence of hypotension in the three study groups.

Secondary

MeasureTime frame
• MAB, SBP, HR changes between the three groups. • Number of rescue boluses commenced in the three groups. • Frequency of hypertensive (SBP > 20% of baseline value), bradycardia ( 100 bpm) episodes. • The incidence of complications including shivering, nausea, vomiting, and headache. • Duration of surgery (min)

Countries

Egypt

Contacts

Public ContactMohamed Eloraby Eloraby

Lecturer of Anesthesia and Surgical ICU. Faculty of Medicine. Mansoura University

orabyrsf@yahoo.com+201005170851

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026