Penehyclidine and Postoperative Nausea and Vomiting After Bimaxillary Surgery

June 26, 2020 updated by: Dong-Xin Wang, Peking University First Hospital

Effects of Penehyclidine on Postoperative Nausea and Vomiting in Patients Underging Bimaxillary Surgery: A Retrospective Cohort Study

Postoperative nausea and vomiting (PONV) are common complications after surgery. Patients undergoing orthognathic surgery are reported to have a high rate of PONV, especially those undergoing bimaxillary surgery. Activation of cholinergic system plays an important role in the development of PONV. Penehyclidine is an muscarinic antagonists which selectively block M1 and M3 receptors and is commonly used to decrease oral secretion. The purpose of this retrospective cohort study is to investigate whether use of penehyclidine is associated with a reduced risk of PONV in patients undergoing bimaxillary surgery.

Study Overview

Detailed Description

Postoperative nausea and vomiting (PONV) are one of the most frequent complications after surgery, and are associated with patients' dissatisfaction after anesthesia and surgery. Orthognathic surgery is widely performed for the correction of dentofacial deformities. PONV is common after orthognathic surgery. Despite of improved anti-emetic prophylaxis, patients undergoing orthognathic surgery are reported to have a high incidence of PONV, especially those after bimaxillary surgery.

It is known that activation of central cholinergic system plays an important role in the development of PONV. Muscarinic antagonists such as scopolamine can block muscarinic receptors in the cerebral cortex and produce anti-emetic effects. Penehyclidine is a new muscarinic antagonists which selectively block M1 and M3 receptors. It has fewer adverse effects compared with other anticholinergics. The purpose of this retrospective cohort study is to investigate whether use of penehyclidine is associated with a reduce risk of PONV in patients undergoing bimaxillary surgery.

Study Type

Observational

Enrollment (Actual)

243

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Beijing
      • Beijing, Beijing, China, 100081
        • Peking University Hospital of Stomatology
    • Haidian
      • Beijing, Haidian, China, 100081
        • Peking University Hospital of Stomatology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Patients underwent bimaxillary surgery between April 1, 2018 and September 30, 2019 in Peking University Hospital of Stomatology.

Description

Inclusion Criteria:

  • Age ≥16 years;
  • Underwent elective bimaxillary surgery under general anesthesia.

Exclusion Criteria:

  • Age <16 years;
  • Missing data.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Retrospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Penehyclidine group
Penehyclindine hydrochloride was administered before anesthesia induction.
Penehyclidine hydrochloride was administered before anesthesia induction.
Placebo group
Penehyclindine hydrochloride was not administered before anesthesia induction.
Penehyclidine hydrochloride was not administered before anesthesia induction.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Postoperative nausea and vomiting (PONV) within 48 hours after bimaxillary surgery.
Time Frame: Up to 48 hours after surgery.
Nausea was assessed by direct questioning. Vomiting was diagnosed when patients retched or expulsed intra-gastric contents.
Up to 48 hours after surgery.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Daily prevalence of PONV.
Time Frame: Up to 48 hours after surgery.
Daily prevalence of PONV on the day of surgery, as well as the first and second day after surgery.
Up to 48 hours after surgery.
Postoperative agitation after bimaxillary surgery.
Time Frame: Up to 8:00 am on the first day after surgery.
Postoperative agitation was diagnosed when a Richmond Agitation-Sedation Scale (scale ranges from -5 to +4, with higher scale indicating severe agitation) reached +2 or more at any time within 2 hours after extubation.
Up to 8:00 am on the first day after surgery.
Postoperative pain after bimaxillary surgery.
Time Frame: Up to 2 days after surgery.
Postoperative pain was assessed with the Numeric Rating Scale (an 11-point scale where 0=no pain and 10=the worst pain). A score of 4 or more is defined a moderate-to-severe pain.
Up to 2 days after surgery.
Postoperative complications during hospital stay after surgery.
Time Frame: Up to 30 days after surgery.
Postoperative complications were generally defined as new-onset medical events that were harmful for patients' recovery and required therapeutic intervention.
Up to 30 days after surgery.
Length of stay in hospital after surgery.
Time Frame: Up to 30 days after surgery.
Length of stay in hospital after surgery.
Up to 30 days after surgery.
In-hospital mortality after surgery.
Time Frame: Up to 30 days after surgery.
In-hospital mortality after surgery.
Up to 30 days after surgery.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 7, 2019

Primary Completion (Actual)

December 30, 2019

Study Completion (Actual)

December 30, 2019

Study Registration Dates

First Submitted

September 27, 2019

First Submitted That Met QC Criteria

September 30, 2019

First Posted (Actual)

October 2, 2019

Study Record Updates

Last Update Posted (Actual)

June 30, 2020

Last Update Submitted That Met QC Criteria

June 26, 2020

Last Verified

June 1, 2020

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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