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☐ ☆ ✇ PLOS ONE Medicine&Health

Spinal cord perfusion pressure protocol for acute spinal cord injury: Pragmatic implementation and early results at two sites

by John Paul G. Kolcun, Ricky M. Ditzel Jr, Bradley L. Kolb, Ricardo B. V. Fontes, P. B. Raksin

Study design

Retrospective chart review.

Objective

Describe safety/feasibility of implementing a novel clinical protocol for acute spinal cord injury (SCI) management.

Summary of background data

Spinal cord perfusion pressure (SCPP) has emerged as a promising target for the medical management of SCI patients. We report our early experience implementing a pragmatic SCPP-driven clinical protocol to supplant conventional mean arterial pressure (MAP) monitoring in the setting of acute SCI.

Methods

We retrospectively reviewed charts of all SCI patients managed by our SCPP protocol since its adoption at two clinical sites as of 2/1/2023. The SCPP protocol was applied for all adult SCI patients of any injury grade, at any injury level with cord tissue involvement. Intrathecal pressure (ITP) was transduced by lumbar drain (LD). MAP was determined from invasive blood pressure recordings. SCPP was calculated as the difference between MAP and ITP, with an SCPP goal of >65mmHg.

Results

Eighteen patients have been treated since our SCPP protocol was adopted. Patients were predominately male (77.8%); the average age was 52.0 ± 16.2 years. Most injuries involved the cervical segment (72.2%), all of which were manifest clinically as central cord syndrome. The most common presenting injury severity was ASIA Impairment Scale D (44.4%).All patients underwent surgical intervention. There were no complications related to surgery, LD placement, or LD maintenance/ITP transduction during hospitalization. The SCPP protocol was continued for an average 5.2 ± 1.8 days. Eight patients required vasopressor support (44.4%) during that period, for an average 3.1 ± 2.1 days. Five patients underwent therapeutic CSF drainage to augment SCPP (27.8%). All patients maintained an average SCPP above goal for the duration of monitoring.

Conclusions

This study further establishes the safety and feasibility of monitoring SCPP via LD measurement of ITP in acute SCI patients treated by clinical protocol at two clinical sites. There were no complications related to LD placement/maintenance or SCPP monitoring.

☐ ☆ ✇ BMJ Open

Efficacy of YOga in people with chronic non-specific low BACK pain and poor PROgnosis (YOBACK-PRO): protocol for a randomised clinical trial

Por: Nunes · S. M. · Rizzo · R. R. · Franco · M. R. · Ferreira · F. R. · Barros · L. J. G. · Maciel · I. T. · Santos · R. L. · Nascimento · R. R. · Couto · A. J. · Quaresma · L. S. · Fontes · R. M. · Ferreira · E. M. R. · Maher · C. G. · McAuley · J. H. · Pinto · R. Z. — Enero 28th 2026 at 14:51
Introduction

Yoga has been shown to improve pain and function compared with no exercise in people with chronic low back pain (LBP), but treatment effects are small. Given that yoga is a mind–body intervention that addresses physical as well as psychological factors, it may be more effective for patients with chronic LBP who are at high risk of poor prognosis. The study aims to investigate the efficacy of a 12-week yoga programme combined with education in reducing pain and disability for individuals with chronic LBP at high risk of poor prognosis at short (12 weeks) and intermediate (24 weeks) terms, compared with a control group receiving education only.

Methods and analysis

A randomised controlled trial will include 110 adults with chronic non-specific LBP reporting an average pain intensity of 3 points or more on a 0–10 scale over the past week and classified as high risk of poor prognosis (ie, scoring 50 points or above) on the Orebro Musculoskeletal Pain Questionnaire short-form. Participants in the control group will receive an educational booklet and attend three face-to-face lectures over a 3-month period. In the intervention group, in addition to the booklet and lectures, participants will attend group yoga sessions twice a week for 12 weeks, totalling 24 yoga sessions. The primary outcome is disability assessed at 12 weeks, measured using the Roland-Morris Disability Questionnaire.

Ethics and dissemination

The study was approved by the Human Research Ethics Committee of Universidade Federal de Minas Gerais (Protocol number CAAE: 57028022.0.0000.5149). Findings will be disseminated to trial participants, clinicians and the broader public and scientific community.

Trial registration number

NCT05953155.

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