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PubMed2004

Pain and sensory complaints in multiple sclerosis.

Pain is a frequent and disabling symptom among multiple sclerosis (MS) patients. The importance of this problem was investigated in a hospital based MS population. A total of 142 MS patients underwent neurological examination and a structured interview for registration of pain and sensory symptoms. One-hundred and five patients reported sensory and/or pain symptoms. Pain was reported by 93 patients and was most frequently located in the limbs and lumbar region. The presence of pain was independent of gender, age at onset and examination, disability, disease course and duration. The most frequently reported characteristics of the symptoms were paresthesia, neuralgia and deep muscular aching. About 40% of the patients reported that the symptoms had important influence on daily activities. Only one-third of the patients were treated for their pain. Pain is a frequent and disabling symptom, independent of demographic and clinical variables in MS patients. The low frequency of treatment for these symptoms indicates a need for improved attention to this problem.

Adult↗
PubMed1980

Permanent loss of finger nails from sensitization and reaction to acrylic in a preparation designed to make artificial nails.

Six years ago a patient suffered a severe allergic reaction from sensitization to methyl methacrylate in a mixture of materials designed to make artificial nails. There was marked erythema, edema, and pain of the eponychial and paronychial tissues with persistent paresthesia of the finger tips. Gradual destruction of the nail plates developed and since no regrowth of the nails resumed in six years, the loss of the finger nails is found to be permanent.

Adult↗
PubMed1995

Ambulatory phlebectomy.

BACKGROUND: Ambulatory phlebectomy (AP) is a gratifying technique that allows one to solve problems otherwise requiring traditional surgery. However, when AP is practiced indiscriminately, results may be disappointing and can tarnish the technique, although there is always a solution to restore the situation. OBJECTIVE: To evaluate the defects of AP, their frequency, and to propose solutions for treatment and prevention. METHODS: This study was based on a review of 900 patients who underwent AP with no less than 6 months follow-up. Complications were grouped into three categories: cosmetic, functional, and efficacious (recurrence rates). RESULTS: Cosmetic problems included pigmentation, tattooing, telengiectatic matting, and appearance of new varicose veins. Functional problems included paresthesia and edema. Hematomas disappeared within 3 weeks but sometimes led to pigmentation. CONCLUSIONS: After having analyzed all the reasons for complications, we can formulate logical solutions. Risks may be greatly reduced by strict adherence to proper technique, patient selection, and pretreatment venous mapping. For all complications we found a solution. Sclerotherapy is used in all cases because AP, like all surgical techniques, leads to recurrence when performed alone. In this study, all the described side effects were treated by sclerotherapy, which remains the only solution that gives good results in all cases.

Ambulatory Surgical Procedures↗
PubMed1990

Specific headache phenomena: their frequency and coincidence.

The correlation of specific headache attack characteristics derived from a standardized questionnaire was studied in a consecutive series of 392 patients attending a headache clinic. In patients reporting headache with aura such attacks tended to be infrequent, and the percentage of their headache attacks that were preceded by aura varied widely, many cases having very low percentages. Paresthesias as auras were uncommon and rarely occurred without visual aura. Unilateral headaches were associated with nausea to widely varying degrees. Most patients reported both unilateral headache and headache with tension characteristics. Definite history of hypertension was significantly correlated specifically with migraine with aura (classic migraine).

Adult↗
PubMedDate not supplied

Antiepileptic drugs and peripheral nerve function: a multicenter screening investigation of 141 patients with chronic treatment. Collaborative Group for the Study of Epilepsy.

One hundred forty-one adult patients treated for no less than 6 months with standard daily doses of the commonest antiepileptic drugs (AEDs) were recruited in five Italian centers and submitted to intensive clinical and electrophysiologic investigation to assess the effects of AEDs on peripheral nerves. Eighty percent of the patients were receiving monotherapy. Carbamazepine (CBZ) was the most common AED (51 cases), followed by phenytoin (PHT) (46), phenobarbital (PB) (42), and valproate (VPA) (25). Fifty-three percent of the patients had one or more symptoms of polyneuropathy (paresthesias being the most common complaint). The neurologic examination was abnormal in 32%. Electrophysiologic findings in two or more separate nerves were abnormal in 77 patients (54.6%); of these, 27 (19.1%) had abnormal neurologic findings and 21 (14.9%) also had symptoms of polyneuropathy. Sensory functions were most frequently impaired. Sural nerve biopsy was performed in 4 patients receiving monotherapy with CBZ, PHT, PB, and VPA. Except in patients receiving VPA (in whom no morphologic abnormalities were detected), mild predominantly axonal damage with secondary myelin changes was noted. A correlation was noted between polyneuropathy, age of the patient and, to a lesser extent, receipt of two or more AEDs.

Adult↗
PubMedDate not supplied

Vagus nerve stimulation for treatment of partial seizures: 3. Long-term follow-up on first 67 patients exiting a controlled study. First International Vagus Nerve Stimulation Study Group.

Vagus nerve stimulation (VNS) has demonstrated a significant anticonvulsant effect in preclinical studies, in pilot studies in humans, and in the acute phase of a multicenter, double-blinded, randomized study. After completion of a 14-week, blinded, randomized study, with 31 receiving high (therapeutic) VNS and 36 receiving low (less or noneffective) VNS, 67 patients elected to continue in an open extension phase. During the extension phase, all 67 patients received high VNS. Seizure frequency during the 3-month treatment blocks was compared with a 12-week baseline. For both groups, all periods of high VNS demonstrated a significant decrease in seizure frequency (p < 0.01 level) as compared with baseline. For the 16-18-month period of VNS, data were available for 26 of the 31 patients randomized to high VNS. This group achieved a 52.0% mean seizure frequency percentage reduction as compared with baseline. For those converted from low to high VNS, data were available for 24 of the 36 patients at the 16-18-month time period. This group reported a mean seizure frequency percentage reduction of 38.1% as compared with baseline. No significant change in the safety/side effect profile was reported during long-term follow-up. The previously reported side effects of hoarseness/voice change, coughing, and paresthesia (sensation in neck and jaw) continued to occur during VNS. These side effects were well tolerated. During the follow-up period, 1 patient died of thrombotic thrombocytopenic purpura (TTP) and 5 patients discontinued treatment because of unsatisfactory efficacy.

Adult↗
PubMed1996

Double-blind, placebo-controlled trial of topiramate as add-on therapy in patients with refractory partial seizures.

In a double-blind, randomized, parallel-group trial, we compared topiramate (TPM) with placebo as add-on therapy in patients with refractory partial epilepsy. TPM was titrated either to the target dosage of 800 mg/ day [400 mg twice daily (b.i.d)] or to the maximal tolerated dose if lower. Twenty-eight (28) patients were randomized to each treatment group. In the intent-to-treat analysis, the net median percent reduction relative to placebo in average monthly seizure rate was 54% for patients in the TPM group (p < 0.001). None of the placebo-treated patients and 43% of the patients treated with TPM experienced > or = 50% reduction in seizures (p = 0.001), and 36% of patients assigned to TPM had a 75-100% reduction in seizures (p < 0.01). Secondarily generalized seizures were also significantly reduced in the TPM group (p = 0.044). The most common adverse events (AE) reported in the TPM group were fatigue, impaired concentration, weight loss, dizziness, and paresthesias. AE occurring either during the rapid titration of TPM or at high dosages led 21% of TPM-treated patients to withdraw from the study. Half of these occurred during the titration study period. No serious AE or clinically important changes in clinical laboratory measures were observed. The present study further establishes the favorable profile and good benefit/risk ratio of TPM in resistant partial epilepsy.

Adolescent↗
PubMed2005

Time course of adverse events in patients with localization-related epilepsy receiving topiramate added to carbamazepine.

PURPOSE: To explore the time course of treatment-emergent adverse events (AEs) during topiramate (TPM) adjunctive therapy. METHODS: Post hoc analyses were performed by using data from a large (264 subjects) multicenter, double-blind, placebo-controlled trial in which 200 mg/day TPM was added to carbamazepine (CBZ) with or without another antiepileptic drug (AED) in adults with treatment-resistant partial-onset seizures. The daily incidence and mean duration of the most common (> or =5% incidence) AEs were calculated for patients completing the 12-week study. RESULTS: The daily incidence of somnolence, headache, loss of appetite, nervousness, fatigue, dizziness, upper respiratory tract infection, and vertigo peaked during titration and declined to rates similar to that of placebo after the target TPM dose had been reached. In contrast, the daily incidence of paresthesia increased during titration and was maintained for the study duration. Relatively few patients had cognitive symptoms (9% with TPM, 5% with placebo), but these were the most common AEs associated with treatment discontinuation. Patient/investigator reports of weight loss increased gradually over the course of the trial, corresponding with the pattern of change in weight measured at study visits. CONCLUSIONS: This study demonstrates that most of the more common AEs with TPM adjunctive therapy are transient. Patients can be counseled that most AEs emerging when TPM is initially added to CBZ can be expected to diminish with continued therapy.

Adolescent↗
PubMed1991

Impaired autonomic nervous system in alcoholics assessed by heart rate variation.

The suppression of heart rate variation reflects cardiac autonomic nervous dysfunction and is known to be associated with a poor prognosis or sudden death in diabetic patients. We investigated consecutive changes in the heart rate variation in 51 alcoholics using the coefficient of variation of R-R interval (CVRR). To correct for age effects, a ratio of CVRR to the standard predicted value (CVP) was calculated. On the whole, CVRR/CVP was suppressed on admission and on the 7th day of abstinence and increased on the 30th day. However, alcoholics could be divided into two groups by their CVRR/CVP on the 30th day: one group with transient autonomic dysfunction whose CVRR/CVP was more than 0.8 (n = 32), and the other group with persistent autonomic dysfunction whose CVRR/CVP was less than 0.8 (n = 19). Withdrawal hypertension occurred more frequently (63% vs. 19%) and mean systolic pressure (159 +/- 24 mmHg vs. 138 +/- 17 mmHg) was higher in the latter group than in the former, suggesting that persistent autonomic damage might, at least in part, contribute to withdrawal hypertension. To investigate further the relationship between the persistent autonomic damage and other complications, the CVRR/CVP on the 30th day of abstinence was analyzed in an additional 85 alcoholics (total n = 136). Persistent suppression of the CVRR/CVP was more frequently found in alcoholics with leg paresthesia (64%, n = 22), the Wernicke-Korsakoff syndrome (73%, n = 11), or diabetes mellitus (69%, n = 68), than in alcoholics without these complications (31%, n = 35).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed2005

Placebo-controlled study of intravenous magnesium supplementation during large-volume leukapheresis in healthy allogeneic donors.

BACKGROUND: Marked decreases in ionized magnesium (iMg) levels occur during large-volume leukapheresis (LVL); however, the effect of intravenous (IV) magnesium supplementation in this setting has not been carefully studied. STUDY DESIGN AND METHODS: Thirty healthy allogeneic peripheral blood progenitor cell donors receiving citrate anticoagulant with IV calcium prophylaxis were randomized to receive either IV magnesium (0.2 mg Mg per mL acid citrate dextrose-A) or placebo during LVL, with a double-blind design. RESULTS: Thirty subjects underwent 75 LVL pro- cedures, 37 with magnesium and 38 with placebo. Group characteristics were similar for sex, weight, citrate infusion rate (1.36 mg/kg/min vs. 1.37 mg/kg/min), and volume processed (16 L vs. 17 L). Serum iMg levels remained within the reference range with magnesium supplementation, but decreased 39+/-11 percent below baseline (p<10(-10)) after placebo, with greater decreases after consecutive procedures. Subjects receiving magnesium had more vigorous parathyroid hormone responses and higher glucose levels and also tended to have higher serum potassium and ionized calcium levels. Mild paresthesias, coldness, and nausea occurred in 28, 20, and 7 percent of donors, respectively, with no significant differences between groups. Severe symptoms (chest tightness) occurred in only one subject receiving placebo. CONCLUSION: IV magnesium supplementation exerts a significant impact on serum magnesium levels, but does not reduce the frequency or severity of the relatively mild citrate-related effects observed in LVL performed with continuous IV calcium prophylaxis.

Adult↗
PubMed1995

Idiopathic distal small fiber neuropathy.

We describe the clinical details of 20 elderly patients with idiopathic small fiber neuropathy. This neuropathy is ubiquitous in practice but has not been well characterized. The clinical syndrome is relatively stereotyped and appears to be a frequent cause of burning feet in the elderly. The main features were burning, painful paresthesias and dysesthesias in the feet, lancinating pains, moderate to severe distal small fiber sensory loss, absent ankle reflexes, and minimal or no distal foot weakness. All but 2 had mild loss of vibration sense but none had significant proprioceptive loss or sensory ataxia. EMG was normal in 9 while the others had a mild sensorimotor axonal neuropathy. Sural nerve biopsy was normal in 3 and showed axonal loss in 6. Progression was slow, and although pain was a troublesome symptom, no patient became disabled. Symptoms were refractory to most symptomatic therapies but several patients improved with gammaglobulin infusions.

Adult↗
PubMed1997

Peripheral neuropathy in acrodermatitis chronica atrophicans - a late Borrelia manifestation.

Clinical and/or neurophysiological signs of peripheral neuropathy were found in 64% of 63 consecutive untreated patients with the late borrelial manifestation acrodermatitis chronica atrophicans (ACA). The neuropathy frequency was significantly higher in the patients than in 30 age- and sex-matched control persons of whom 27% had neuropathy findings. The most common neuropathy in ACA was a symmetric distal sensory polyneuropathy. In a subgroup of patients with localized or asymmetric neuropathy, the changes were found more often in extremities with than without visible ACA lesions. Neuropathy symptoms, most often pain and/or paresthesia, were present in 64% of the patients, compared to in 13% of the control persons. Thus, both symptoms and signs of neuropathy were significantly more frequent in patients with untreated ACA than in control subjects.

Acrodermatitis↗
PubMed2004

The relationship between symptoms and electrophysiological detected compression of the median nerve at the wrist.

OBJECTIVE: The aim of this study was to evaluate the relationship between carpal tunnel syndrome symptoms and compression of the median nerve at the wrist in symptomatic patients. METHODS: A total of 250 patients were selected among those referred for electrodiagnostic evaluation with complaints involving hand or wrist. Primary and secondary symptoms were extracted from the answers to the instrument proposed by Levine et al. [J Bone Joint Surg Am 1993;75:1585]. The association of symptoms and the presence of compression of the median nerve at the wrist were ascertained through a multiple logistic regression test. RESULTS: Secondary symptoms (pain and weakness) were inversely associated with the presence of median nerve compression. Furthermore, primary symptoms (paresthesia, disability and nocturnal symptom) occurred similarly in patients with and without electrophysiologic findings of median nerve compression at the wrist.

Adult↗
PubMed1991

A prospective cohort study of the orofacial effects of vincristine neurotoxicity.

Neurotoxicity is the dose-limiting side effect of vincristine sulfate. This study was designed to investigate neurotoxicity affecting the head and neck in a population of cancer patients receiving vincristine. Forty patients were given baseline interviews and oral examinations, and these were repeated weekly for the first 7 wk of treatment. Twenty-six patients (65%) developed symptoms of neurotoxicity: orofacial pain, 22/40 (55%); numbness 1/40 (2.5%); paresthesia 4/40 (10%); difficulty with mastication 1/40 (2.5%); involuntary movements 3/40 (7.5%); and voice changes, 4/40 (10%). Most symptoms occurred in the first week except voice changes (hoarseness and weakness) which did not occur until the third week of treatment. Using Fisher's exact test, neurotoxicity affecting the orofacial area was found to be significantly associated with younger age and single marital status indicating that psychosocial factors may affect susceptibility to the neurotoxic effects of vincristine. This prospective cohort study confirms previous anecdotal reports of vincristine neurotoxicity affecting the head and neck.

Adult↗
PubMed1998

Cobalamin deficiency: MRI detection of posterior columns involvement and posttreatment resolution.

Cobalamin-deficient myelopathy is a neurologic disorder manifesting progressive symptoms of paresthesiae and spastic paralysis. The pathologic changes initially involve the posterior columns of the cervical and upper thoracic cord. The authors present the case of a patient with cobalamin deficiency with preferential posterior columns involvement, as evidenced by spinal magnetic resonance imaging findings. Marked clinical and radiographic resolution occurred after administration of vitamin B12. Early recognition of this specific magnetic resonance pattern is essential, because complete recovery can be achieved with prompt treatment at this reversible stage of the disease.

Follow-Up Studies↗
PubMed2003

Spinal dural arteriovenous fistulas: clinical features in 80 patients.

The aim of this study was to describe the clinical spectrum of spinal dural arteriovenous fistulas (SDAF) in a large group of patients. We studied the records of 80 patients who were diagnosed with an SDAF in six hospitals over a 15 year period (1985-2001). We extracted data on demographic variables, initial symptoms, symptoms at the time of diagnosis, level of SDAF, and medical history. Most patients were middle aged men, and most SDAF were located in the midthoracic region. The median time to diagnosis of 80 patients with an SDAF was 15 months (range 7 days-197 months). The most common initial symptoms were gait disturbances (34%), numbness (24%), and paresthesias (21%). At the time of diagnosis, most common symptoms were micturition problems (80%), leg weakness (78%), and numbness in the legs or buttocks (69%). The combination of all three symptoms was present in 58% of patients. Any symptoms or signs related to sacral segments had developed in 67 patients (84%). Fifteen patients (19%) had become wheelchair bound. SDAF is difficult to diagnose, and the delay between first symptoms and treatment is often long. In middle aged men who present with disturbances of gait with ascending motor and sensory deficits, and who subsequently report impaired voiding or other sphincter disturbance, SDAF is one of the first diagnoses that should spring to mind.

Adult↗
PubMed1987

Complications of outpatient transbrachial intraarterial digital subtraction angiography. Work in progress.

To assess the safety of nonselective intraarterial digital subtraction angiography (DSA) performed from a brachial artery approach, the complications of 660 consecutive examinations, most of which (greater than 95%) were performed on outpatients, were studied. Contrast material injections into the aorta were made through a 4-F multiple side-hole pigtail catheter inserted percutaneously from the brachial artery. Two brachial artery complications severe enough to require surgery occurred (one hematoma and one arterial laceration/thrombosis), for a rate of 0.3%. No cerebrovascular complications were encountered. Delayed and minor complications were retrospectively studied in 137 patients; they included local arm pain in 24 patients (17.5%), transient paresthesia in ten (7.3%), ecchymosis in 69 (50.4%), and hematoma in 13 (9.5%). The transbrachial approach to nonselective intraarterial DSA is a safe alternative to the femoral artery approach.

Adolescent↗
PubMed1997

Adventitial cystic disease of the popliteal artery: percutaneous US-guided aspiration.

PURPOSE: To evaluate percutaneous ultrasound (US)-guided aspiration as an alternative therapy for adventitial cystic disease. MATERIALS AND METHODS: Between September 1993 and June 1996, seven patients (six men, one woman; age range, 42-62 years; mean age, 48 years) presented with symptomatic adventitial cystic disease of the popliteal artery (one patient with subacute foot paresthesia, six patients with chronic calf claudication). Color Doppler sonography showed stenosis due to eccentric cysts. Five of the patients also underwent digital subtraction angiography, and four patients underwent magnetic resonance imaging. With real-time sonographic guidance, a 14-gauge needle was forwarded percutaneously into the cysts for aspiration. The aspiration procedure was performed on an outpatient basis with local anesthetics. RESULTS: The procedure was technically and clinically successful in all cases. No complications were noted. Follow-up color duplex sonography performed between 1 and 32 months (mean, 14.8 months) after the procedure showed no relevant recurrent stenosis. CONCLUSION: Percutaneous US-guided aspiration is an easy, safe, efficacious method for treating adventitial cystic disease. In symptomatic patients who do not have thrombotic occlusion, it may be considered the treatment of choice.

Adult↗