The Freiburg Registry on SpontanEous IntercrAnial Hypotension (SIH) & Post-duraL Puncture Headache (PDPH)

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
AgeNot listed
SponsorUniversity Hospital Freiburg

About this trial

Spinal CSF leaks are considered as rare disease. They cause a variety of symptoms, mainly culminating in a chronic headache syndrome. Crucially, yet often disregarded, the disease holds the potential for cure. The multitude of symptoms, and their inconsistency over time are just two of many challenges preventing timely diagnosis and treatment in many patients.

Spinal CSF leaks can occur after intentional or accidental dural puncture (post-dural puncture headache - PDPH) or spontaneously (spontaneous intracranial hypotension - SIH). Awareness is steadily increasing with simultaneous increase of recognized patients. Yet, research and diagnostic is mainly provided by few specialized centers, as e.g. Freiburg. Thus, many observations point towards a large non-diagnosed and non-recognized number of patients, most likely being misdiagnosed and mistreated.

Objective: The aim of the registry is to collect structured information on the frequency, cause, symptoms, diagnostic procedures, treatment options and long-term outcome. With the help of the registry, we would like to contribute to a better understanding and treatment of the diseases.

Methods: Prospective, longitudinal registry on patients with suspected SIH or PDPH, including data on demographics, clinical presentation, diagnostic findings, treatment, at treatment outcome.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Patients with suspected spinal CSF leak based on one of the following

History of new orthostatic symptomes with or without prior spinal procedure

Imaging suggestive for spinal CSF leak

Informed consent

Disqualifiers

None

Trial population

The registry is an explorative study on patients suffering from a rare disease - therefor it is aimed to include all eligible patients for a time-limit of 10 years. All patients with suspected spinal CSF leak will be approached and informed about the registry. In case of legal incapacity, the caregivers will be approached. The inclusion of this vulnerable group is considerable as they represent a small but very important subgroup of patients suffering from demntia stemming from a traetable cause.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

2,000 Participants
are grouped into 1 trial group
Group A: spinal CSF leak

Trial outcomes

Primary outcomes

1

Primary Diagnosis given after primary workup (yes/no)

* SIH (fulfilling ICHD-3 criteria) - yes/no * atypical SIH - yes/on * Asymptomatic SIH (positive imaging signs only) - yes/no * PDPH (fulfilling ICHD-3-criteria) - yes/no * persistentPDPH - yes/no

Time frame
up to 4 weeks after inclusion

Secondary outcomes

1

SIH/PDPH - Experience of the local team

Number of patient with suspicion for SIH work-up/year

Time frame
at time of inclusion
2

SIH/PDPH - Patients' demographics

Country, City

Time frame
at time of inclusion
3

SIH - Previously received treatment at time of inclusion (yes/no)

Medical SIH treatment, Other symptomatic treatment, Untargeted lumbar blood patch, Targeted blood patch, Targeted fibrin patch, Endovascular embolization, Minimally invasive surgery, Open surgery - dorsal approach, Open surgery-ventral approach, Open surgery-transforaminal approach, Discectomy, Laminectomy, Stabilization procedures, Surgery, other techniques

Time frame
at time of inclusion
4

SIH/PDPH - age

years

Time frame
at time of inclusion

Other outcomes

1

SIH/PDPH - Follow up-Reported adverse events related to treatment (yes/no)

Rebound hypertension, Reoccurrence of the leak, Suture insufficiency, Bleeding, Sensory deficits, Motor deficits, Gait ataxia, Bladder dysfunction, Bowl dysfunction, Others

Time frame
4 weeks and 3 month after treatment
2

SIH/PDPH - Follow up-Duration of treatment for rebound hypertension after therapy of the CSF leak

days

Time frame
4 weeks after treatment
3

SIH/PDPH - Follow up-Average dosage of acetazolamide per day

mean mg/d

Time frame
4 weeks after treatment
4

SIH/PDPH - Follow up - Total Bern-Score, according to Dobrocky et al.

range 0 to 9, 9 indicating highest likelihood of spinal CSF leak

Time frame
3 months after treatment

Sponsors and contacts

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