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PubMed2002

[The "needle man": more than 40,000 injections in 40 years].

HISTORY AND ADMISSION FINDINGS: A now 65-year-old man had undergone a subtotal thyroidectomy over 40 years ago, which postoperatively resulted in hypoparathyroidism. His doctor began daily intravenous injections of a calcium preparation (1880 mg to 3760 mg calcium per day, over 40000 injections during this period), a regimen continued subsequently by a total of more than 15 other doctors for over 40 years. On admission the patient complained of oral paresthesias and paresthesias of the limbs. INVESTIGATIONS: Low calcium and parathormone levels confirmed the diagnosis of hypoparathyroidism. TREATMENT AND COURSE: Normal levels of calcium were achieved after a short course of 1.25-dihydroxycalciferol. This was followed by the administration of cholecalciferol and calcium. The patient soon became symptom-free and calcium levels returned to normal. Late sequelae have been calcification of the basal ganglia, first signs of nephrocalcinosis and bilateral cataract. CONCLUSION: This case demonstrates that appropriate treatment of hypoparathyroidism [corrected] might not be given in every case.

Aged↗
PubMed1987

Digital replantations distal to the distal interphalangeal joint.

Microvascular replantations of digits distal to the distal interphalangeal (DIP) joint were reviewed in 33 digits of 29 patients. Twenty-five digits were completely amputated and eight were incompletely amputated. Ten of 33 replants failed and 23 digits survived. Even without venous reconstruction, good results were obtained in Zone I. Of eight completely amputated digits in Zone 1 in which venous reconstruction was not performed, seven digits survived. Of four completely amputated digits in Zone 2 without venous reconstruction, all became necrotic. In digits followed for six months or more after surgery, 11 of 13 replantations showed good functional recovery. Two digits that developed paresthesia after replantation were functionally useless. Seven digits without bilateral digital nerve reconstruction were reviewed six months or more after surgery. Sensory recovery was good in the digital phalanx; the factor impeding functional recovery was the development of paresthesia. Replanted digits distal to the DIP joint are thus satisfactory in both function and cosmesis, even if digital nerves have not been reconstructed. The replantation of such digits should be considered.

Amputation, Traumatic↗
PubMed1985

Postpartum rubella immunization: association with development of prolonged arthritis, neurological sequelae, and chronic rubella viremia.

Six women developed chronic long-term arthropathy after postpartum immunization against rubella. All individuals developed acute polyarticular arthritis within 12 days to three weeks postimmunization and have had continuing chronic or recurrent arthralgia or arthritis for two to seven years after vaccination. Acute neurological manifestations, consisting of carpal tunnel syndrome or multiple paresthesiae, developed postvaccination in three women. Two have developed continuing active or chronic recurrent episodes of blurred vision, paresthesiae, and painful limb syndromes together with recurrent joint symptoms. Chronic rubella viremia has been detected in peripheral blood mononuclear cell (MNC) populations in five of the six women up to six years after vaccination. In addition rubella virus was isolated from breast milk MNCs in one individual at nine months postvaccination and from peripheral blood MNCs in two of four breast-fed infants studied at 12-18 months of age. Immune responses to rubella virus studied at sequential intervals after vaccination correlated with development of rheumatologic and neurological manifestations.

Adult↗
PubMed2002

Dramatic recovery of paclitaxel-disabling neurosensory toxicity following treatment with venlafaxine.

Venlafaxine is an antidepressant which acts through the inhibition of the reuptake of norepinephrine and serotonin. Venlafaxine is active against neuropathic and chronic pain. We report the case of a 69-year-old woman who presented a paclitaxel-induced neuropathy. She presented paresthesias, pin pricks in both hands with functional impairment. Venlafaxine hydrochloride was introduced at 37.5 mg twice daily. The patient noticed a dramatic recovery of her symptoms within 2 days, with both reduction of the paresthesias and functional improvement. This is the first report of efficacious use of venlafaxine for the treatment of paclitaxel cumulative neurosensory toxicity.

Adenocarcinoma↗
PubMedDate not supplied

Sensory axonopathy in mild to moderate peripheral arterial disease.

The effect of mild to moderate arterial occlusive disease on peripheral nervous system conduction was prospectively investigated in 18 subjects and 18 control subjects, aged 40 to 85 years. Experimental and control subjects underwent a thorough history and physical followed by vascular and electrophysiologic studies. The primary outcome measure was the sensory nerve action potential. Although 33% of the subjects with peripheral arterial disease had experienced paresthesias, the clinical evaluation of sensation was relatively unaffected. Sensory conduction studies revealed 30% absent sural responses and 56% absent superficial peroneal nerve responses in subjects with peripheral arterial disease compared with 3 and 14% absent responses in control subjects, respectively (P = 0.044; 0.025). There were no differences in distal latency or sensory amplitude, although the superficial peroneal amplitude did approach significance (P = 0.06). No significant differences were found in motor distal latency, amplitude, or conduction velocity. Age, leg length, temperature, disease severity, presence of paresthesias, cholesterol levels, and past alcohol or tobacco ingestion did not account for the difference in sensory responses. These results support the presence of a mild sensory axonopathy in subjects with peripheral arterial disease. Electromyographers should be cognizant of absent distal responses from peripheral arterial disease so as not to ascribe the findings to an alternative pathology and should not attribute abnormal motor conduction results to the presence of this degree of peripheral arterial disease.

Action Potentials↗
PubMed2002

Value of the lumbrical-interosseous technique in carpal tunnel syndrome.

OBJECTIVE: To determine whether the second lumbrical-interosseous technique has comparable sensitivity with the median-ulnar transcarpal mixed nerve technique (palmdiff). DESIGN: A prospective series of consecutive patients with median distribution paresthesias were evaluated with electrodiagnostic testing. Outpatient veterans referred by a heterogeneous group of specialists and generalists to the Portland Veterans Affairs Medical Center electrodiagnostic laboratory. A total of 129 consecutive veterans referred for evaluation of median distribution paresthesias were assessed with two electrodiagnostic tests. RESULTS: The second lumbrical-interosseous technique performed with equal sensitivity (60.5%) to the palmdiff technique, with the added unique feature of its being uniformly obtainable. CONCLUSIONS: The second lumbrical-interosseous technique is characterized by performance equal to the palmdiff in categorizing carpal tunnel syndrome. It is also characterized by being nearly uniformly obtainable, even in severe carpal tunnel syndrome. These features suggest a wider role for the second lumbrical-interosseous technique than currently accepted.

Adult↗
PubMed2004

Acute noncontiguous multiple-level thoracic disc herniations with myelopathy: a case report.

STUDY DESIGN: The case report of a 38-year-old man with a unique acute, triple-level, noncontiguous thoracic disc herniation (T6, T9-T10, and T11-T12), delayed onset of lower limb weakness, paresthesias below the T10 dermatome, and urinary dysfunction following minor trauma resulting from a motorcycle accident. OBJECTIVES: To present an unusual case of herniation that could involve ambiguous test results (imaging findings not necessarily correlated with severity of clinical manifestations). SUMMARY OF BACKGROUND DATA: Multiple-level symptomatic disc herniations of the thoracic spine are rare, and the reported cases are mostly of contiguous, two-level lesions with chronic clinical presentation. No case of acute three-level noncontiguous ruptured thoracic disc herniations with myelopathy has been reported. METHODS: Through the left transthoracic approach, partial corpectomy, complete discectomy, and interbody fusion of the T9-T10 vertebrae were performed. The less prominent lesions of the T6 and T12-L1 vertebrae were left untreated. RESULTS: Remarkable improvement of neurologic symptoms, including motor weakness and bladder dysfunction, was observed 1 week after operation. At 1-year follow-up, he could walk without aid and with a somewhat spastic gait. However, paresthesias below dermatome T12 persisted. The patient refused to accept the recommendation of further surgical decompression of the nerves at the T6 and T12-L1 vertebral lesions. CONCLUSION: Since the presentation of thoracic disc herniation is variable and difficult to correlate with imaging findings, decompression at all lesion levels in a patient with symptomatic multiple-level ruptured thoracic disc herniations may be necessary to achieve complete symptom relief and satisfactory results.

Accidents, Traffic↗
PubMed1993

Local versus general anesthesia for lumbar percutaneous discectomy.

Ninety-two adult patients scheduled for automated percutaneous discectomy (PERC) were assigned to receive either local anesthesia supplemented with monitored i.v. analgesia (MIVA) or general endotracheal anesthesia (GA-LITE). Patients were examined 1 week post-PERC for the presence of new paresthesias, and they completed a questionnaire 6-18 weeks after PERC about changes in their pain. Sixty-four percent of MIVA patients and 83% of GA-LITE patients had diminished pain following PERC. Results did not show any difference between the two groups for new paresthesias after PERC. There were no differences in postoperative pain medication requirements, but the GA-LITE group reported more postoperative nausea, vomiting, and sore throat. GA-LITE patients averaged 1.06 +/- 0.3 h in the recovery room compared with 0.70 +/- 0.3 h for MIVA patients. Although the use of general anesthesia for PERC has been contraindicated because of fear of damaging the nerve root in the sleeping patient, we conclude that general anesthesia does not increase nerve injuries attributable to instrumentation. However, general anesthesia did cause a higher incidence of minor complications such as nausea, vomiting, and sore throat in the immediate postoperative period than did MIVA.

Adult↗
PubMedDate not supplied

Gabapentin for the management of hot flushes: a case series.

OBJECTIVE: To audit the effectiveness of the anticonvulsant gabapentin on hot flushes in postmenopausal women. DESIGN: This was an open case series involving 11 postmenopausal women who were willing to take gabapentin for the relief of their hot flushes and were willing to keep a diary recording the number and intensity of their hot flushes, both before and during treatment. Gabapentin was started at a dose of 300 mg, to be taken at night, and the women were instructed to increase the dose up to 1,200 mg, according to symptom behavior. RESULTS: Eleven women agreed to participate for on average 53.22 days (range, 2-79 days), but two discontinued participation-one before starting treatment and one after 2 days-so there are complete data sets for nine women. Gabapentin was found to be extremely effective in reducing hot flush activity (P < 0.001; Fig. 1). A significant reduction in symptoms was observed with a dose of 300 mg/day (P < 0.001). Scores on the Green Climacteric Scale were significantly improved from a mean of 25.72 (range, 12-42) to 19.25 (range, 13-31; P < 0.001). Palpitations (P = 0.001), panic attacks (P = 0.0001), mood (P = 0.023), muscle and joint pains (P = 0.021), and paresthesias and loss of sensation in the extremities (P = 0.001) were also shown to improve with treatment. CONCLUSIONS: In the present case series, gabapentin was well tolerated and could be a valuable alternative for the treatment of hot flushes in women with contraindications to hormonal replacement therapy. It would be particularly beneficial for women in whom aches and pains and paresthesias are also a significant feature of the climacteric syndrome.

Acetates↗
PubMed1998

Estimation of fiber diameters in the spinal dorsal columns from clinical data.

Lack of human morphometric data regarding the largest nerve fibers in the dorsal columns (DC's) of the spinal cord has lead to the estimation of the diameters of these fibers from clinical data retrieved from patients with a new spinal cord stimulation (SCS) system. These patients indicated the perception threshold of stimulation induced paresthesia in various body segments, while the stimulation amplitude was increased. The fiber diameters were calculated with a computer model, developed to calculate the effects of SCS on spinal nerve fibers. This computer model consists of two parts: 1) a three-dimensional (3-D) volume conductor model of a spinal cord segment in which the potential distribution due to electrical stimulation is calculated and 2) an electrical equivalent cable model of myelinated nerve fiber, which uses the calculated potential field to determine the threshold stimulus needed for activation. It is shown that the largest fibers in the medial DC's are significantly smaller than the largest fibers in the lateral parts. This finding is in accordance with the fiber distribution in cat, derived from the corresponding propagation velocities. Moreover, it is shown that the mediolateral increase in fiber diameter is mainly confined to the lateral parts of the DC's. Implementation of this mediolateral fiber diameter distribution of the DC's in the computer model enables the prediction of the recruitment order of dermatomal paresthesias following increasing electrical stimulation amplitude.

Electric Conductivity↗
PubMed1985

Variation in cutaneous sensation between synthetic pyrethroid insecticides.

Synthetic pyrethroids are potent insecticides, utilized for food protection and general pest control. Numerous investigations have indicated that ultra-low volume applications are effective and may eliminate the developing problem of resistance to the currently utilized insecticides. The most prominent health symptom that accompanies topical contact with these agents appears to be a cutaneous sensation, paresthesia. In this investigation, a substantial difference in the degree of paresthesia was noted between the formulated grade of 4 synthetic pyrethroids. Also, dl-alpha tocopheryl acetate was statistically validated as an efficacious therapeutic agent for cutaneous exposure to these insecticides.

Administration, Topical↗
PubMed2003

Thallium poisoning: emphasis on early diagnosis and response to haemodialysis.

Thallium poisoning is known for its diverse manifestations and these can delay the diagnosis if a clear history of poisoning is not forthcoming. A 42 year old man presented on the third day of illness with flaccid quadriparesis and paresthesia, which were confused with Guillain-Barré syndrome. Because of associated loose motions, skin lesions, and liver and kidney dysfunction arsenic poisoning was considered. In the second week he developed ophthalmoplegia, nystagmus, and neck tremor and later developed alopecia, and thallium poisoning was suspected. His serum thallium level on the 18th day of illness was 40 980 micro g/ml. He was subjected to haemodialysis, potassium supplementation, laxatives, and B complex supplementation. He showed significant improvement after haemodialysis and at three months he was able to walk with support. At six months of follow up he was independent for activities of daily living. Severe paresthesia, ophthalmoplegia, cerebellar and extrapyramidal signs, and alopecia are highly suggestive of thallium poisoning. Haemodialysis may be effective even in the third week of poisoning.

Adult↗
PubMed2004

Prevention of oxaliplatin-related neurotoxicity by calcium and magnesium infusions: a retrospective study of 161 patients receiving oxaliplatin combined with 5-Fluorouracil and leucovorin for advanced colorectal cancer.

PURPOSE: Oxaliplatin is active in colorectal cancer. Sensory neurotoxicity is its dose-limiting toxicity. It may come from an effect on neuronal voltage-gated Na channels, via the liberation one its metabolite, oxalate. We decided to use Ca and Mg as oxalate chelators. EXPERIMENTAL DESIGN: A retrospective cohort of 161 patients treated with oxaliplatin + 5-fluorouracil and leucovorin for advanced colorectal cancer, with three regimens of oxaliplatin (85 mg/m(2)/2w, 100/2w, 130/3w) was identified. Ninety-six patients received infusions of Ca gluconate and Mg sulfate (1 g) before and after oxaliplatin (Ca/Mg group) and 65 did not. RESULTS: Only 4% of patients withdrew for neurotoxicity in the Ca/Mg group versus 31% in the control group (P = 0.000003). The tumor response rate was similar in both groups. The percentage of patients with grade 3 distal paresthesia was lower in Ca/Mg group (7 versus 26%, P = 0.001). Acute symptoms such as distal and lingual paresthesia were much less frequent and severe (P = 10(-7)), and pseudolaryngospasm was never reported in Ca/Mg group. At the end of the treatment, 20% of patients in Ca/Mg group had neuropathy versus 45% (P = 0.003). Patients with grade 2 and 3 at the end of the treatment in the 85 mg/m(2) oxaliplatin group recovered significantly more rapidly from neuropathy than patients without Ca/Mg. CONCLUSIONS: Ca/Mg infusions seem to reduce incidence and intensity of acute oxaliplatin-induced symptoms and might delay cumulative neuropathy, especially in 85 mg/m(2) oxaliplatin dosage.

Aged↗
PubMed1991

Multifactorial analysis of epidural spinal cord stimulation.

In order to provide a data bank to allow a more precise and effective implementation of spinal cord stimulation, a computerized analysis of 1,375 combinations obtained from electrode arrays located in the thoracic and cervical epidural area was performed. 67 electrode arrays implanted in 34 subjects were subjected to analysis. During the stimulation trial, all the available combinations were systematically tested and the results entered into a computerized database. The study was not meant to analyze the clinical results or the indications of epidural spinal cord stimulation. Parameters studied include position of each electrical contact as related to midline, vertebral level of each contact, distribution of stimulation-induced paresthesiae, and electrical parameters (voltage, rate, pulse width, perception threshold, discomfort threshold, usage range). Analysis of the data allow the surgeon (1) to define the characteristics of the stimulation-induced paresthesiae; (2) to define the spectrum of the electrical parameters used to stimulate the spinal cord; (3) to define the population of implanted electrode arrays/contacts; (4) to study objectively how the position of the electrodes within the spinal canal, their vertebral level and the interelectrode distance affect the electrical parameters and the stimulation-induced responses. The multifactorial systematic analysis of such a large number of combinations provides the basis for further developments in the area of electrical stimulation of the nervous system.

Adult↗
PubMedDate not supplied

Pure sensory stroke and allied conditions.

This paper contains an analysis of 135 cases in which numbness, either episodic or persistent, involved one side of the body. In most cases, the patients were candidates for the diagnosis of pure sensory stroke which is usually the result of an occlusive cerebrovascular lesion involving the thalamus. The cases are divided into three main categories, pure sensory stroke, pure sensory TIAs, and atypical cases. The clinical features described in an earlier paper have been confirmed for the most part. A major limitation is the paucity of pathological studies. The lack of reliable criteria for the recognition of migrainous paresthesias has probably resulted in the inadvertent inclusion of some such cases. Some other conditions, hemidysesthesia and cervical disc, which have had to be considered in the differential diagnosis have been included. Cases of occlusive disease of the posterior cerebral internal carotid and middle cerebral arteries have been analyzed for patterns of paresthesias which may serve to distinguish cortical lesions from thalamic.

Adult↗
PubMed1982

Amitriptyline-related peripheral neuropathy relieved during pyridoxine hydrochloride administration.

Tricyclic antidepressants rarely cause peripheral neuropathy. In fact, this class of drugs has been used to control the symptoms of pain and paresthesia that accompany peripheral neuropathy. We report peripheral paresthesias that occurred in a 39-year-old female during five years of amitriptyline administration. The patient's symptoms were relieved by oral pyridoxine hydrochloride, associated with elevated plasma pyridoxal phosphate.

Adult↗
PubMed2006

Surgical complications associated with sentinel lymph node biopsy: results from a prospective international cooperative group trial.

BACKGROUND: American College of Surgeons Oncology Group Z0010 is a prospective multicenter trial designed to evaluate the prognostic significance of micrometastases in the sentinel lymph nodes and bone marrow aspirates of women with early-stage breast cancer. Surgical complications associated with the sentinel lymph node biopsy surgical procedure are reported. METHODS: Eligible patients included women with clinical T1/2N0M0 breast cancer. Surgical outcomes were available at 30 days and 6 months after surgery for 5327 patients. Patients who had a failed sentinel node mapping (n=71, 1.4%) or a completion lymph node dissection (n=814, 15%) were excluded. Univariate and multivariate analyses were performed to identify predictors for the measured surgical complications. RESULTS: In patients who received isosulfan blue dye alone (n=783) or a combination of blue dye and radiocolloid (n=4192), anaphylaxis was reported in .1% of subjects (5 of 4975). Other complications included axillary wound infection in 1.0%, axillary seroma in 7.1%, and axillary hematoma in 1.4% of subjects. Only increasing age and an increasing number of sentinel lymph nodes removed were significantly associated with an increasing incidence of axillary seroma. At 6 months, 8.6% of patients reported axillary paresthesias, 3.8% had a decreased upper extremity range of motion, and 6.9% demonstrated proximal upper extremity lymphedema (change from baseline arm circumference of >2 cm). Significant predictors for surgical complications at 6 months were a decreasing age for axillary paresthesias and increasing body mass index and increasing age for upper extremity lymphedema. CONCLUSIONS: This study provides a prospective assessment of the sentinel lymph node biopsy procedure, as performed by a wide range of surgeons, demonstrating a low complication rate.

Age Factors↗