Publications by authors named "Servan Rooker"

Background Context: Lumbar microdiscectomy is an effective treatment for short-term pain relief and improvements in disability in patients with lumbar radiculopathy, however, many patients experience residual pain and long-term disability. The 'people like me' approach seeks to enhance personalized prognosis and treatment effectiveness, utilizing historical data from similar patients to forecast individual outcomes.

Purpose: The primary objective was to develop and test the 'people-like-me' approach for leg pain intensity and disability at 12-month follow-up after lumbar microdiscectomy and postoperative physical therapy.

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Rationale: Cervical radiculopathy is initially typically managed conservatively. Surgery is indicated when conservative management fails or with severe/progressive neurological signs. Personalised multimodal physiotherapy could be a promising conservative strategy.

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Background Context: The proportion of patients who undergo lumbar microdiscectomy due to lumbar radiculopathy who are also overweight or obese is high. However, whether high body mass index (BMI) affects clinical outcomes is not well-studied.

Purpose: To investigate the difference in the clinical course between normal weight, overweight, and obese patients with radiculopathy who underwent lumbar microdiscectomy followed by physical therapy and to evaluate whether high BMI is associated with poor recovery.

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Objectives: The clinical course of lumbar radiculopathy following microdiscectomy and post-operative physiotherapy varies substantially. No prior studies assessed this variability by deriving outcome trajectories. The primary aims of this study were to evaluate the variability in long-term recovery after lumbar microdiscectomy followed by post-operative physiotherapy and to identify outcome trajectories.

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Background: Mobile eHealth apps are important tools in personal health care management. The Patient Journey app was developed to inform patients with musculoskeletal disorders during their perioperative period. The app contains timely information, video exercises, and functional tasks.

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Article Synopsis
  • The study aimed to evaluate how effective patient interviews and clinical tests are in diagnosing cervical radiculopathy in patients suspected of having the condition.
  • A total of 134 patients participated, with diagnoses confirmed by a medical specialist using clinical presentations and MRI findings, while a physiotherapist conducted the tests.
  • Key findings suggested certain interview items (like arm pain) and tests (such as the Spurling test) help indicate cervical radiculopathy, but none of the tests had sufficiently strong likelihood ratios, signaling the need for cautious interpretation.
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Study Design: Prospective cohort study.

Objective: To develop and internally validate prognostic models based on commonly collected preoperative data for good and poor outcomes of lumbar microdiscectomy followed by physiotherapy.

Summary Of Background Data: Lumbar microdiscectomy followed by physiotherapy is a common intervention for lumbar radiculopathy.

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Purpose: To describe the clinical course and develop prognostic models for poor recovery in patients with cervical radiculopathy who are managed conservatively.

Methods: Sixty-one consecutive adults with cervical radiculopathy who were referred for conservative management were included in a prospective cohort study, with 6- and 12-month follow-up assessments. Exclusion criteria were the presence of known serious pathology or spinal surgery in the past.

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Inflammatory processes have been implicated in the pathogenesis of traumatic brain damage. We analyzed the spatiotemporal expression pattern of the proinflammatory key molecules: interleukin-1beta, interleukin-6, tumor necrosis factor-alpha, and inducible nitric oxide synthase in a rat closed head injury (CHI) paradigm. 51 rats were used for RT-PCR analysis after CHI, and 18 for immunocytochemistry.

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A 3 year follow-up study was performed in a patient with foreign accent syndrome (FAS) as the sole cognitive manifestation of a left fronto-parietal stroke. The hypothesis of involvement of the right cerebellum in this motor speech planning disorder was investigated by means of functional neuroimaging (SPECT) and neurobehavioral assessments. Based on the close parallelism between the evolution of FAS symptoms and the perfusional changes in the right cerebellum, it is argued that FAS may result from a disruption of a close functional interplay between the supra- and infratentorial speech centers involved in motor speech planning.

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It is unknown whether barbiturates suppress cerebral oxygen metabolism after cerebral trauma as they do in normal individuals. We evaluated the influence of pentobarbital on cerebral oxygen handling of normal rats and rats subjected to non-hemorrhagic closed head injury (CHI). Oxygen delivery was assessed by measuring cerebral perfusion and oxygen extraction, enabling the calculation of cerebral metabolic rate of oxygen (CMRO2).

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The present study validates a method for continuous measurement of intracranial pressure (ICP) in freely moving rats after experimental induction of impact-acceleration injury. Rats subjected to either mild or moderate trauma were individually placed in a Bas-Ratturn system, equipped with a sensor that synchronously turns the cage in response to the locomotor activity of the animal. In this way correct probe positioning is permanently assured and damage due to coiling is avoided.

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Unilateral intracarotid injection of contrast agents may considerably destabilize the blood-brain barrier in rats. This leads to vasogenic edema in the ipsilateral hemisphere. Mortality and extravasation increased significantly when administration of these ultrasound contrast agents was followed by mild traumatic brain injury.

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Article Synopsis
  • This study assessed the accuracy of intracranial pressure (ICP) measurements in rats using a miniature probe implanted in the cerebellum, comparing results to measurements taken from the cerebral cortex.
  • Rats were subjected to varying degrees of closed head injury to generate a wide range of ICP values, which ranged from 0.8 to 43.9 mmHg.
  • The findings showed a strong correlation between cerebellar and cerebral ICP measurements, indicating that the cerebellum can serve as a reliable alternative site for ICP monitoring in experimental settings.
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