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1.
J Neurosurg Spine ; 26(2): 220-228, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27740398

ABSTRACT

In this study the authors report the first example of spinal pseudarthrosis in a patient with ochronosis, and they describe the application of posterior-only 360° surgery as an alternative approach to combined anterior-posterior surgery in the management of pseudarthrosis of an ankylosed spine, regardless of its etiology. Spinal involvement in ochronosis produces loss of flexibility and ankylosis of thoracic and lumbar segments. Pseudarthrosis is a serious complication of the diseases that present with ankylosis of the spine. However, its occurrence in ochronotic spine has not been reported previously. Evaluation of progressive paraparesis in a 68-year-old man with ochronosis revealed pseudarthrosis at the T11-12 level. Circumferential dural sac decompression, debridement of the disc space, interbody fusion, and screw-rod fixation were all done via a posterior-only approach. Postoperatively the patient exhibited a marked recovery in terms of pain and neurological status. At the 3-month follow-up, he was able to walk independently. Ochronosis should be included in the etiology of pseudarthrosis. With aggravation of back pain and the appearance of neurological deficits in an already stable patient with any ankylosing disease, pseudarthrosis should be suspected. Furthermore, single-stage, 360°, posterior-only surgery may obviate the need for single-stage or staged anterior-posterior surgical intervention in patients with pseudarthrosis of the thoracic and lumbar spine.


Subject(s)
Ochronosis/complications , Ochronosis/surgery , Pseudarthrosis/etiology , Pseudarthrosis/surgery , Thoracic Vertebrae/surgery , Aged , Decompression, Surgical/methods , Diagnosis, Differential , Fatal Outcome , Humans , Internal Fixators , Male , Ochronosis/pathology , Ochronosis/urine , Pseudarthrosis/pathology , Pseudarthrosis/urine , Spinal Fusion/methods , Thoracic Vertebrae/diagnostic imaging
2.
Anesth Pain Med ; 5(1): e22900, 2015 Feb.
Article in English | MEDLINE | ID: mdl-25789240

ABSTRACT

BACKGROUND: Cancer pain may be a major problem for health care providers worldwide. According to different studies reporting the pain severity, one-third of patients reported to have moderate to severe pain. Management of cancer pain is one of the most important goals of palliative care. Recently, different research results on the efficacy of opioid analgesics in chronic pain management have played a role to implement standards in pain control by government agencies worldwide. OBJECTIVES: This study aimed to investigate the efficacy of fentanyl transdermal patch in the treatment of chronic soft tissue cancer pain. PATIENTS AND METHODS: In a prospective descriptive study, we evaluated 86 patients with soft tissue tumors with chronic pain referred to cancer institute of Imam Khomeini Hospital, Tehran, Iran, during 2006-2007. For all patients, transdermal fentanyl patch (25 µg/h) was administered. The appearance of patches was the same. Pain severity was measured by Visual Analogue Scale (VAS) initially and 24, 48 and 72 hours after the initiation of treatment. RESULTS: Patients' characteristics and VAS score before the treatment were not significantly different (P > 0.05). According to our findings, the pain severity was significantly reduced after the treatment (P = 0.001). The incidence of adverse events in patients was significantly high (72%). The most common adverse events were sleepiness, nausea and vomiting in 30.2% and 18.6%, respectively. CONCLUSIONS: Transdermal fentanyl patch was an effective and safe method to reduce pain in patients with soft tissue tumors. Moreover, it could improve the quality of life in these patients, but adverse events occurred in approximately 72% of patients.

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