Sphenopalatine Ganglion Block to Treat Shoulder Pain During and/or After Cesarean

NYU Langone Health117 enrolled

Overview

The purpose of this open label pilot study is to evaluate the utility of sphenopalatine ganglion (SPG) block to manage ipsilateral shoulder pain (ISP) during and/or after cesarean.

Shoulder pain thought to be caused by blood and amniotic fluid irritation of the diaphragm and nerves that supply the shoulder, can occur during and/or after a cesarean. Investigators will consent 100 patients, and will enroll 10 patients who develop ISP and have a score of is \>5/10 on the Verbal Analog pain Scale (VAS). Patients will be their own controls. Transnasal SPG block will be performed after childbirth, and and beginning at 20 minutes post treatment, the patient will be asked to rate their shoulder pain using the VAS a number of times.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

117

Conditions

Ipsilateral Shoulder Pain

Interventions

Transnasal SPG blockPROCEDURE

Eligibility

Sex: FEMALEMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Cesarean * Presence of post-operative ISP, VAS \>5/10 * American Society of Anesthesiologists Class 1 - 3. * No allergy to lidocaine Exclusion Criteria: * American Society of Anesthesiologists Class 4 or 5. * Allergy to lidocaine * Nasal pathology (e.g., deviated septum) * Patients who receive sedatives during cesarean * Bleeding diathesis * Any patient who the PI feels will be unable to comply with all protocol related procedures * Shoulder pain prior to cesarean

Locations (1)

New York University School of Medicine

New York, New York, United States

Outcomes

Primary Outcomes

Reduction of shoulder pain measured using Verbal Analog pain Scale (VAS)

Time frame: 90 Minutes

Data from ClinicalTrials.gov

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