Factors Associated With the Onset of Chronic Headaches in Patients Who Received a Blood Patch in Post Partum
CHROBLOOD
2 other identifiers
observational
98
1 country
1
Brief Summary
The purpose of this study is to identify possible links between conditions for carrying out a blood patch (BP) to treat accidental post dural puncture acute headache (PDPH) in the early post partum period and occurrence of chronic headaches at 1 and 6 months.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Jun 2023
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 14, 2022
CompletedFirst Posted
Study publicly available on registry
June 5, 2023
CompletedStudy Start
First participant enrolled
June 6, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 23, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2026
CompletedSeptember 12, 2025
September 1, 2025
1.9 years
November 14, 2022
September 5, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (26)
Description of the conditions of the accidental breach
Data collection of diagnosis of the accidental breach : * noted with the needle, * intrathecal passage, * postpartum positional headaches, * intrathecal catheter
Immediately after BloodPatch procedure
Time to onset
Description of the initial manifestations of post dural puncture acute headache (PDPH) : nature of PDPH
Immediately after BloodPatch procedure
Positional
Description of the initial manifestations of post dural puncture acute headache (PDPH) : nature of PDPH
Immediately after BloodPatch procedure
Neck pain
Description of the initial manifestations of post dural puncture acute headache (PDPH) : nature of PDPH
Immediately after BloodPatch procedure
Analog visual scale (AVS)
Description of the initial manifestations of post dural puncture acute headache (PDPH) : nature of PDPH
Immediately after BloodPatch procedure
Neurosensory disorders
Description of the initial manifestations of post dural puncture acute headache (PDPH) : nature of PDPH
Immediately after BloodPatch procedure
Completion time after childbirth
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Volume injected
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Height of puncture compared to the initial breach
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Paresthesias
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Adverse events
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Duration of strict decubitus in the immediate afterglow
Description of the methods of carrying out the BloodPatch (BP)
Immediately after BloodPatch procedure
Age
Patient data collection
Immediately after BloodPatch procedure
Height
Patient data collection
Immediately after BloodPatch procedure
Weight
Patient data collection
Immediately after BloodPatch procedure
Parity
Patient data collection
Immediately after BloodPatch procedure
Mode of delivery
Patient data collection
Immediately after BloodPatch procedure
History of headaches or migraines before pregnancy
Patient data collection
Immediately after BloodPatch procedure
Initial treatment (before 1st BP)
Patient data collection NSAIDs and analgesics, sphenopalatine ganglion block, ACTH, caffeine, other
Immediately after BloodPatch procedure
Imaging
Patient data collection
1 month after last BloodPatch procedure
Lumbar punction
Patient data collection
1 month after last BloodPatch procedure
Other examinations if performed
Patient data collection
1 month after last BloodPatch procedure
Complications during the initial postpartum stay
Patient data collection
Immediately after BloodPatch procedure
Analog visual scale (AVS)
Patient data collection - Initial efficacy
Immediately after BloodPatch procedure
Analog visual scale (AVS)
Patient data collection - Initial efficacy
1 day after BloodPatch procedure
Analog visual scale (AVS)
Patient data collection - Initial efficacy
At exit of the hospital, up to 2 weeks
Secondary Outcomes (16)
Number of patients with chronic headaches
Month 1
Number of patients with chronic headaches
Month 6
Number of patients with chronic low back pain
Month 1
Number of patients with chronic low back pain
Month 6
Modified Headache Impact Questionnaire (HIT)
Month 1
- +11 more secondary outcomes
Study Arms (1)
Patients with PDPH after epidural analgesia for labor, requiring BP
Patients with PDPH after epidural analgesia for labor, requiring BP
Interventions
Questionnaires by phone at 1 and 6 months after inclusion
Eligibility Criteria
Vaginal delivery or caesarean section with epidural at the Port Royal maternity ward
You may qualify if:
- Age greater than or equal to 18 years old,
- Vaginal delivery or caesarean section with epidural at the Port Royal maternity ward,
- Collection of non-opposition after oral and written information,
You may not qualify if:
- Patient under curatorship or guardianship
- Not speaking/understanding French
- BP performed in another indication
- Benefiting from the AME (state medical aid)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Port-Royal Maternity ward - Cochin Hopsital - APHP
Paris, Île-de-France Region, 75014, France
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Catherine FISCHER, MD
Cochin Hospital, Assistance Publique des Hôpitaux de Paris (AP-HP)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 14, 2022
First Posted
June 5, 2023
Study Start
June 6, 2023
Primary Completion
April 23, 2025
Study Completion
January 1, 2026
Last Updated
September 12, 2025
Record last verified: 2025-09