First case report linking chronic cannabis use with H. pylori infection and preeclampsia during pregnancy

A case report described a 21-year-old pregnant woman diagnosed with CHS at 30 weeks who also developed preeclampsia and was found to have H. pylori gastritis, representing the first reported association of all three conditions and raising questions about cannabinoid-related pathways in pregnancy complications.

Manning Meurer, Madeline et al.·Substance abuse·2018·Preliminary EvidenceCase Report
RTHC-01744Case ReportPreliminary Evidence2018RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Case Report
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

A 21-year-old first-time pregnant woman was diagnosed with hyperemesis gravidarum at 6 weeks and later developed preeclampsia at 35 weeks.

A drug screen at 30 weeks was positive for cannabis, leading to a CHS diagnosis that had been masked by pregnancy-related nausea.

After labor induction, the infant was born with a negative umbilical cord drug test and developed normally.

Post-delivery endoscopy revealed moderate chronic gastritis with H. pylori infection confirmed by immunostaining.

This was the first case reporting the co-occurrence of chronic cannabis use, H. pylori colonization, and preeclampsia in pregnancy. The authors suggested a possible cannabinoid-related pathway linking pregnancy complications and bacterial colonization.

Key Numbers

Patient was 21 years old, primigravida. Hyperemesis gravidarum diagnosed at 6 weeks. Cannabis screen positive at 30 weeks. Preeclampsia at 35 weeks. Infant cord blood drug test negative.

How They Did This

Single case report with post-delivery esophagogastroduodenoscopy and tissue biopsies. H. pylori confirmed by immunostaining.

Why This Research Matters

The overlap of CHS, H. pylori, and preeclampsia in a single patient raises the possibility that cannabinoid signaling could influence both gastrointestinal bacterial colonization and pregnancy-specific vascular complications. While speculative, this hypothesis deserves investigation given rising cannabis use during pregnancy.

The Bigger Picture

This case adds to growing concerns about cannabis use during pregnancy. The potential connection between cannabinoid exposure and H. pylori colonization is novel and could open a new research direction if confirmed in larger studies.

What This Study Doesn't Tell Us

Single case report with no ability to establish causal relationships between the three conditions. H. pylori infection is common and may be coincidental. The preeclampsia may be unrelated to cannabis use. No mechanism proposed beyond speculation.

Questions This Raises

  • ?Does cannabis use influence susceptibility to H. pylori infection?
  • ?Is there a biological link between cannabinoid signaling and preeclampsia?
  • ?How often do CHS, H. pylori, and preeclampsia co-occur in cannabis-using pregnant women?

Trust & Context

Key Stat:
First reported case linking CHS, H. pylori, and preeclampsia in pregnancy
Evidence Grade:
Preliminary. Single case report with speculative mechanistic link. Novel observation that needs investigation.
Study Age:
Published in 2018. Research on cannabis use during pregnancy and associated complications continues to expand.
Original Title:
A case of cannabinoid hyperemesis syndrome with Heliobacter pylori and preeclampsia during pregnancy.
Published In:
Substance abuse, 39(1), 9-13 (2018)
Database ID:
RTHC-01744

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / Observational
Case Report / Animal StudyOne case or non-human subjects
This study

Describes what happened to one person or a small group.

What do these levels mean? →

Frequently Asked Questions

Did the cannabis harm the baby?

In this case, the infant had a negative cord blood drug test and developed normally. However, this single case does not establish that cannabis use during pregnancy is safe. Other studies have associated prenatal cannabis exposure with various developmental concerns.

What is preeclampsia?

Preeclampsia is a pregnancy complication characterized by high blood pressure and signs of damage to organ systems, usually after 20 weeks of pregnancy. It can be dangerous for both mother and baby and sometimes requires early delivery.

Read More on RethinkTHC

Cite This Study

RTHC-01744·https://rethinkthc.com/research/RTHC-01744

APA

Manning Meurer, Madeline; Chakrala, Kalyan; Gowda, Dinesh; Burns, Charles; Kelly, Randall; Schlabritz-Loutsevitch, Natalia. (2018). A case of cannabinoid hyperemesis syndrome with Heliobacter pylori and preeclampsia during pregnancy.. Substance abuse, 39(1), 9-13. https://doi.org/10.1080/08897077.2017.1356790

MLA

Manning Meurer, Madeline, et al. "A case of cannabinoid hyperemesis syndrome with Heliobacter pylori and preeclampsia during pregnancy.." Substance abuse, 2018. https://doi.org/10.1080/08897077.2017.1356790

RethinkTHC

RethinkTHC Research Database. "A case of cannabinoid hyperemesis syndrome with Heliobacter ..." RTHC-01744. Retrieved from https://rethinkthc.com/research/manning-2018-a-case-of-cannabinoid

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.