Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Selective serotonin-reuptake inhibitors (SSRIs), including fluoxetine, sertraline, paroxetine, fluvoxamine, and citalopram, represent an important advance in the pharmacotherapy of mood and other disorders. They are chemically unrelated to tricyclic, heterocyclic, and other first-generation antidepressants. SSRIs are the treatment of choice for many indications, including major depression, dysthymia, panic disorder, obsessive-compulsive disorder, eating disorders, and premenstrual dysphoric disorder, because of their efficacy, good side-effect profile, tolerability, and safety in overdose, as well as patient compliance. A review of the literature was conducted using Medline and the terms "SSRIs," "fluoxetine," "sertraline," "paroxetine," "fluvoxamine," and "citalopram." Articles were limited to those published in English within the last 15 years. The search revealed that indications for antidepressants include unipolar depression, dysthymia, bipolar depression, treatment-resistant depression, depression in the medically ill, panic disorder, obsessive-compulsive disorder, eating disorders, social phobia, and premenstrual dysphoric disorder. One SSRI, fluoxetine, has demonstrated safety in pregnancy. Side effects of SSRIs include gastrointestinal disturbances, headache, sedation, insomnia, activation, weight gain, impaired memory, excessive perspiration, paresthesia, and sexual dysfunction.
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PMID:Selective serotonin-reuptake inhibitors: an update. 1047 Dec 45

The use of regional anesthesia (ie, epidural, spinal, or caudal) has been reported in a few small series of children undergoing cardiac surgery, but not in larger studies. In this retrospective, descriptive study, we report the results of the use of regional anesthesia in 220 pediatric cardiac operations. We reviewed the records of children receiving a regional anesthetic for cardiothoracic surgery at Stanford Medical Center between January 1993 and February 1997. All patients were targeted for early tracheal extubation. A variety of regional techniques were used. Time to extubation, control of pain, incidence of respiratory depression and other complications, and length of hospital stay were determined. There were no deaths. Eighty-nine percent of the patients were tracheally extubated in the operating room; 4.1% of whom required reintubation within 24 h. Ninety-five percent +/-2.5% of the patients had pain scores < or =4.0 at all intervals postoperatively. Adverse effects of regional anesthesia included emesis (39%), pruritus (10%), urinary retention (7%), postoperative transient paresthesia (3%), and respiratory depression (1.8%). The incidence of peridural hematoma was zero. The rate of adverse effects was lower in the thoracic catheter epidural approach as compared with various caudal, lumbar epidural, and spinal approaches. Hospital duration of stay was not effected by the presence of regional anesthetic complications. In this study, regional anesthesia was safe and effective in the management of pediatric patients undergoing cardiac surgery.
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PMID:A report of two hundred twenty cases of regional anesthesia in pediatric cardiac surgery. 1109 24

Fibromyalgia and reflex sympathetic dystrophy share defining characteristics, namely chronic pain and allodynia, as well as other important clinical features such as onset after trauma, female predominance, paresthesias, vasomotor instability, response to sympathetic blockade and anxiety/depression. Recent research using heart rate variability analysis demonstrated that patients with fibromyalgia have changes consistent with relentless circadian sympathetic hyperactivity. I propose that fibromyalgia is a sympathetically maintained pain syndrome in which ongoing sympathetic hyperactivity sensitises the primary nociceptors and induces widespread pain and allodynia.
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PMID:Is fibromyalgia a generalized reflex sympathetic dystrophy? 1124 9

Vagus nerve stimulation (VNS) is a neurophysiological treatment for patients with medically or surgically refractory epilepsy. Since the first human implant in 1989, more than 10 000 patients have been treated with VNS. Two randomized controlled studies have shown a statistically significant decrease in seizure frequency during a 12-week treatment period versus a baseline period when 'high stimulation' mode was compared with 'low stimulation' mode. The efficacy appears to increase over time. In general, one third of the patients show a >50% reduction of seizure frequency; one third show a 30-50% seizure reduction, and one third of patients show no response. Few patients become seizure-free. Side effects during stimulation are mainly voice alteration, coughing, throat paraesthesia and discomfort. When studied on a long-term basis, VNS is an efficacious, safe and cost-effective treatment not only in adults but also in children and the elderly. The precise mechanism of action remains to be elucidated. In recent years much progress has been made through neurophysiological, neuroanatomical, neurochemical and cerebral blood flow studies in animals and patients treated with VNS. Further elucidation of the mechanism of action of VNS may increase its clinical efficacy and our general understanding of some physiopathological aspects of epilepsy. Finally, VNS may become an alternative treatment for other conditions such as depression and pain.
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PMID:Vagus nerve stimulation for refractory epilepsy. 1170 Oct 2

Vagus nerve stimulation (VNS) is an accepted therapy for the treatment of refractory epilepsy and now even depression. More than 10,000 people have had the device implanted over a period of 12 years. Initial side effects in the early years such as lower facial weakness and electrode lead breaks have now been resolved. Postoperative infections occur in approximately 3% of patients but can be treated with oral antibiotics. Side effects during the use of VNS are usually related to the "on" phase of stimulation. Common side effects are cough, hoarseness, voice alteration, and paresthesias. These side effects tend to diminish with time. Cognitive side effects often seen with antiepileptic drug use are not reported. The side effect profile of VNS is positive, and this treatment option offers patients with refractory epilepsy prospects of good efficacy with only minor and often resolvable side effects.
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PMID:Vagus nerve stimulation, side effects, and long-term safety. 1170 46

The aim of the present study was to assess the efficacy and safety of chronic subthalamic nucleus deep-brain stimulation (STN-DBS) in patients with Parkinson's disease (PD). 18 consecutive severely affected PD patients were included (mean age, SD: 56.9+/-6 years; mean disease duration: 13.5+/-4.4 years). All the patients were evaluated clinically before and 6 months after the surgical procedure using the Unified Parkinson's Disease Rating Scale (UPDRS). Additionally, a 12 months follow-up was available in 14 patients. The target coordinates were determined by ventriculography under stereotactic conditions, followed by electrophysiology and intraoperative stimulation. After surgery, continuous monopolar stimulation was applied bilaterally in 17 patients at 2.9+/-0.4 V through 1 (n = 31) or 2 contacts (n = 3). One patient had bilateral bipolar stimulation. The mean frequency of stimulation was 140+/-16 Hz and pulse width 68+/-13 micros. Off medication, the UPDRS part III score (max = 108) was reduced by 55 % during on stimulation (score before surgery: 44.9+/-13.4 vs at 6 months: 20.2+/-10; p < 0.001). In the on medication state, no difference was noted between the preoperative and the postoperative off stimulation conditions (scores were respectively: 17.9+/-9.2 and 23+/-12.6). The severity of motor fluctuations and dyskinesias assessed by UPDRS IV was reduced by 76 % at 6 months (scores were respectively: 10.3+/-3 and 2.5+/-3; p < 0.001). Off medication, the UPDRS II or ADL score was reduced by 52.8 % during on stimulation (26.9+/-6.5 preop versus 12.7+/-7 at 6 months). The daily dose of antiparkinsonian treatment was diminished by 65.5 % (levodopa equivalent dose -- mg/D -- was 1045 +/- 435 before surgery and 360 +/- 377 at 6 months; p < 0.01). These results remained stable at 12 months for the 14 patients studied. Side effects comprised lower limb phlebitis (n = 2), pulmonary embolism (n = 1), depression (n = 6), dysarthria and freezing (n = 1), sialorrhea and drooling (n = 1), postural imbalance (n = 1), transient paresthesias and dyskinesias. This study confirms the great value of subthalamic nucleus stimulation in the treatment of intractable PD. Some adverse events such as depression may be taken into account in the inclusion criteria and also in the post-operative outcome.
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PMID:Subthalamic nucleus stimulation in Parkinson's disease: clinical evaluation of 18 patients. 1202 40

In numerous studies of symptoms in patients with chronic hepatitis C there has been no systematic assessment of both fatigue and extrahepatic manifestations. Our objective was to assess the prevalence of fatigue in patients with hepatitis C virus (HCV) infection, and to identify associations between fatigue and clinical and biological hepatic and extrahepatic manifestations. We studied 1614 patients. Data were prospectively recorded during the first visit of patients infected with HCV and the prevalence of fatigue and its association with dermatological, rheumatological, neurological and nephrological manifestations; diabetes; arterial hypertension; auto-antibodies, and cryoglobulinaemia were assessed. Then, using multivariate analysis, we identified demographic, biochemical, immunological, virological, and histological factors associated with the presence of fatigue. Fatigue was present in 53% of patients (95% confidence interval 51-56). In 17% of patients (95% confidence interval 15-19) fatigue was severe, impairing activity. Five other extrahepatic manifestations had a prevalence above 10% including, in decreasing order: arthralgia, paresthesia, myalgia, pruritus, and sicca syndrome. In univariate and multivariate analyses, fatigue, in comparison with the absence of fatigue, was associated with female gender, age over 50 years, cirrhosis, depression and purpura. Independent of these associations, fatigue was associated with arthralgia, myalgia, paresthesia, sicca syndrome and pruritus. The prevalence of fibromyalgia (as defined by the association of fatigue with arthralgia or myalgia) was 19% (95% confidence interval 17-21). There was no significant association between fatigue and the following characteristics: viral load or genotype, alcohol consumption, abnormal thyroid function, and type and level of cryoglobulinaemia. Hence, fatigue is the most frequent extrahepatic manifestation in patients infected with HCV. Fatigue is independently associated with female gender, age over 50 years, cirrhosis, depression and purpura.
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PMID:Fatigue in patients with chronic hepatitis C. 1208 7

To evaluate the effectiveness and safety of topiramate as add-on, long-term therapy for treatment-resistant bipolar-spectrum disorders, 34 DSM-IV bipolar-spectrum patients, including bipolar I (n = 28), bipolar II (n = 3), bipolar not otherwise specified (n = 2), and schizoaffective disorder bipolar type (n = 1), considered to be resistant to treatment with lithium, carbamazepine, and valproate, received increasing doses of topiramate as adjunctive therapy for their manic (n = 17), depressive (n = 11), hypomanic (n = 3), or mixed (n = 3) symptoms. Outcome measures included the Young Mania Rating Scale (YMRS), the Hamilton Rating Scale for Depression (HAM-D), and the Clinical Global Impression (CGI) for Severity. Patients were followed up for 6 months. Twenty-five patients (74%) completed the 6-month follow-up. Nine patients (26%) dropped out early due to lost of follow-up (n = 4), worsening of symptoms (n = 2), side effects (n = 1), hospitalization due to intercurrent illness (n = 1), and noncompliance (n = 1). By intent-to-treat analysis, there was a significant reduction in YMRS, HAM-D, and CGI scores (p < 0.0001 for all measures at the endpoint) after the introduction of topiramate. Most therapeutic effects appeared between weeks 2 and 6. Fifty-nine percent of manic patients and 55% of depressed patients were considered to be responders to the drug, which was well tolerated; only one patient discontinued due to side effects. The most common side effect was paraesthesia (n = 2). Ten patients experienced moderate weight loss during the follow-up period. The mean topiramate dose at endpoint was 202 +/- 65 mg/day. These preliminary results indicate that adjunctive topiramate may be useful in the long-term treatment of bipolar spectrum disorders, even in the most difficult-to-treat patients.
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PMID:Use of topiramate in treatment-resistant bipolar spectrum disorders. 1217 46

Vagus nerve stimulation (VNS) is a neurophysiological treatment for patients with medically or surgically refractory epilepsy. Since the first human implant in 1989, more than 10,000 patients have been treated with VNS. Two randomized controlled studies have shown a statistically significant decrease in seizure frequency during a 12-week treatment period versus a baseline period when 'high stimulation' mode was compared with 'low stimulation' mode. The efficacy appears to increase over time. In general, one third of the patients show a > 50% reduction of seizure frequency; one third show a 30-50% seizure reduction, and one third of patients show no response. Few patients become seizure-free. Side effects during stimulation are mainly voice alteration, coughing, throat paraesthesia and discomfort. When studied on a long-term basis, VNS is an efficacious, safe and cost-effective treatment not only in adults but also in children and the elderly. The precise mechanism of action remains to be elucidated. In recent years much progress has been made through neurophysiological, neuroanatomical, neurochemical and cerebral blood flow studies in animals and patients treated with VNS. Further elucidation of the mechanism of action of VNS may increase its clinical efficacy and our general understanding of some physiopathological aspects of epilepsy. Finally, VNS may become an alternative treatment for other conditions such as depression and pain.
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PMID:Vagus nerve stimulation for refractory epilepsy. 1218 67

Multiple sclerosis is a complex neurological condition affecting sensory and motor nerve transmission. Its progression and symptoms are unpredictable and vary from person to person as well as over time. Common early symptoms include visual disturbances, facial pain or trigeminal neuralgia and paraesthesia or numbness of feet, legs, hands and arms. These, plus symptoms of spasticity, spasms, tremor, fatigue, depression and progressive disability, impact on the individual's ability to maintain oral health, cope with dental treatment and access dental services. Also, many of the medications used in the symptomatic management of the condition have the potential to cause dry mouth and associated oral disease. There is no cure for multiple sclerosis, and treatment focuses on prevention of disability and maintenance of quality of life. Increasingly a multi-disciplinary team approach is used where the individual, if appropriate his/her carer, and the specialist nurse are key figures. The dental team plays an essential role in ensuring that oral health impacts positively on general health.
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PMID:Multiple sclerosis and oral care. 1222 18


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