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[Backache]].

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Adult↗

[Validation of the North American Spine Society Instrument for assessment of health status in patients with chronic backache].

BACKGROUND: Pain and functional limitations are the chief symptoms in patients with back pain. However, standardized assessment of these domains are still not commonplace in clinical practice. The objective of this study was the cultural adaptation and validation of the North American Spine Society (NASS) Lumbar Spine Outcome Assessment Instrument for German speaking patients with back pain. METHODS: Translation and backtranslation of the NASS instrument was performed according to international recommendations. 56 consecutive inpatients with a confirmed diagnosis of dorsopathia completed a German version of the NASS instrument, the SF-36 and an established German instrument for back patients (FFbH-R). All patients completed the questionnaires 48 hours apart to assess test-retest reliability. Validity was assessed through correlation with corresponding subscales of the SF-36, the FFbH-R and a 0-10 pain numeric rating scale. Internal consistency and item-to-scale correlation served as statistics of reliability. RESULTS: The two subscales of the NASS Instrument for cervical and lumbar problems correlate significantly with the corresponding subscales of the FFbH-R and the SF-36 (r = 0.28-0.83, p < 0.05) and 0.39-0.68 (p < 0.05) with a pain numeric rating scale. Test-retest reliability demonstrated intraclass correlation coefficients between 0.82 to 0.89. CONCLUSION: The German version of the NASS Cervical and Lumbar Spine Outcome Assessment Instrument allows the standardized assessment of pain, functional limitations and neurogenic symptoms in patients with back pain and the international comparison of health states and therapeutic outcomes.

Activities of Daily Living↗

[Isokinetic strength of lumbar muscles in patients with chronic backache].

Lumbar isokinetic strength and the influence of age, bodyweight and testing velocity in patients with chronic low back pain in comparison with persons without pain. Lumbar isokinetic strength parameters of 80 patients with chronic low back pain and 70 persons without pain were compared and the influence of age, bodyweight and testing velocity was evaluated. The patients with chronic low back pain showed less strength than the persons without pain. All parameters of extension discriminated between the two groups whereas only some of the flexion parameters did. The isokinetic strength of the lumbal extension muscles was higher than the strength of the flexion muscles. In patients with chronic low back pain, isokinetic strength of lumbar extension muscles was more reduced than the strength of flexion muscles in comparison with persons without pain. At 90 degrees/sec in comparison to 60 degrees/sec, lower extension forces, higher flexion forces and changed ratios of flexion and extension muscles were measured. Age had an influence only on women. There were no changes in ratios of flexion and extension muscles with increasing age. Bodyweight showed weak correlations with isokinetic flexion forces. The influence of different factors on isokinetic force varies between patients with chronic low back patients and healthy subjects.

Adolescent↗

[Unusual posture-dependent backache as leading symptom of a thoracic aortic aneurysm].

The clinical investigation of a 71 year old male patient, suffering from chronic recurrent back pain, shows an unusual, position-dependent symptomatology of the pain. A penetrating, inoperable aneurysm of the thoracic aorta can be proved to be responsible for the patients complaints and causing his death in the course. Regarding the findings of the clinical investigation and the computed tomography as well as the postmortal findings, the pain-causing mechanisms are discussed.

Aged↗

[Percutaneous lumbar facet denervation. Indications and significance in chronic backache].

The lumber facet joints have been established as a source of low back pain which may radiate to the leg. Because there are no reliable clinical signs which confirm the diagnosis injections of an anaesthetic agent into the joints are necessary. Therapeutically a percutaneous radiofrequency destruction of the medial branches of lumbar dorsal rami may relieve such pain. Success rate, however, is depending on a careful selection of patients.

Adult↗