uSINE-PAMS Artificial Intelligence Driven, Ultrasound-Guided Lumbar Puncture to Improve Procedural Accuracy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-26

Study Completion Date

2024-07-31

Brief Summary

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This study aims to test the effectiveness of uSINE-PAMS technology for lumbar puncture compared to traditional landmark-based technique. uSINE is a machine-learning software designed to aid the operators in ultrasound-guided lumbar puncture while PAMS is a two-part hardware to translate data from ultrasound to accurate needle insertion and angulation.

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Detailed Description

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Lumbar puncture (LP) is a routine invasive procedure performed for the diagnosis and treatment of central nervous system disorders. The traditional landmark-based method is associated with a high failure rate of up to 50%, leading to complications including back pain and epidural hematoma, diagnostic delay, and increased healthcare costs. The success rate has been improved with ultrasound guided LP but the use of ultrasound-guided LP has not been widespread due to inadequate training in ultrasound use and the inability to translate information derived from ultrasonography to the LP procedure. uSINE-PAMS was designed to address these challenges: uSINE is a machine-learning software to aid the operators in ultrasound-guided LP; PAMS is a two-part hardware to translate data from ultrasound to accurate needle insertion and angulation.

This study consists of a pilot phase to test the usability of uSINE-PAMs and allow for improvement in technology and clinical workflow for uSINE-PAMS. In the pilot phase, experienced NNI clinicians who have participated in a previous healthy volunteer study and have been trained to use uSINE will be the operators performing the uSINE-PAMS-guided lumbar puncture. During and upon completion of the study, challenges in the use of uSINE and PAMS to conduct LP as well as in the implementation of uSINE-PAMS in the clinical workflow will be determined and addressed prior to the main study, open-label single-arm phase 2 clinical trial. Ten patients will be recruited in this pilot phase.

Following the pilot phase, an open-label single-arm phase 2 clinical trial to test the effectiveness of uSINE-PAMS-guided LP against historical data of 55% from traditional landmark-based method. 50 patients who are planned for LP will be recruited to undergo LP using the uSINE-PAMS-guided technique. The overall hypothesis is that uSINE-PAMS-guided LP will achieve at least 20% improvement in first pass success rate of obtaining cerebrospinal fluid compared to historical data of 55% from traditional landmark-based technique, therefore leading to reduction in complication rates.

Conditions

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Ultrasound Therapy Lumbar Puncture

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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uSINE-PAMS-guided

Patients will undergo LP using uSINE-PAMS-guided technique

Group Type EXPERIMENTAL

Intervention Arm (uSINE-PAMS-technique)

Intervention Type PROCEDURE

Patients will be lying in a lateral recumbent position and in a fetal position with the neck, back and limbs held in flexion. L3-L4 inter-vertebral space will be identified by palpation of external landmarks of the patients' iliac crests and spinous process of lumbar vertebrae L3, L4 and L5 and confirmed using uSINE-integrated ultrasound. The angle of needle during needle advancement will also be determined using the uSINE-integrated ultrasound. Markings on the patients' skin surface will be made using PAMS (non-sterile component) to enable relocation of the site and angle of the needle entry. Patients' back will be cleaned and draped using aseptic technique. Next, local anaesthesia is infiltrated into the previously identified needle entry site before the LP needle is inserted with location and angulation according to PAMS (sterile component) guidance.

Interventions

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Intervention Arm (uSINE-PAMS-technique)

Patients will be lying in a lateral recumbent position and in a fetal position with the neck, back and limbs held in flexion. L3-L4 inter-vertebral space will be identified by palpation of external landmarks of the patients' iliac crests and spinous process of lumbar vertebrae L3, L4 and L5 and confirmed using uSINE-integrated ultrasound. The angle of needle during needle advancement will also be determined using the uSINE-integrated ultrasound. Markings on the patients' skin surface will be made using PAMS (non-sterile component) to enable relocation of the site and angle of the needle entry. Patients' back will be cleaned and draped using aseptic technique. Next, local anaesthesia is infiltrated into the previously identified needle entry site before the LP needle is inserted with location and angulation according to PAMS (sterile component) guidance.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients planned for lumbar puncture as part of their clinical care
* 21 years of age or older
* Able to provide informed consent

Exclusion Criteria

* Allergy to ultrasound gel
* Previous lumbar spinal instrumentation
* Patients with suspected spinal epidural abscess or any other infection at the potential site of needle entry on the back
* Possible raised intracranial pressure with risk of cerebral herniation, including presence of obstructive hydrocephalus, intracranial space-occupying lesion and cerebral edema
* Presence of significant thrombocytopenia (platelet \<40k) or other bleeding diathesis; patients on antiplatelet and/or anticoagulation may be included if their antiplatelet and/or anticoagulation can be and are stopped for an adequate duration prior to lumbar puncture according to the institution guidelines.

Minimum Eligible Age

21 Years

Maximum Eligible Age

105 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No