Summary version of the Standards, Options and Recommendations for the use of analgesia for the treatment of nociceptive pain in adults with cancer (update 2002).
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Adult↗
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The presence of trichodynia in patients with telogen effluvium and androgenetic alopecia.
BACKGROUND: Trichodynia refers to pain, discomfort, and/or paresthesia in the skin of the scalp or the hair. There may be an associated psychologic comorbidity. Although androgenetic alopecia (AGA) and telogen effluvium (TE) are different entities in terms of pathogenesis, etiology, and clinical picture, both may be influenced by psychologic stress and may be the cause of secondary stress. AIMS: To investigate the presence of trichodynia in patients with TE and AGA and to evaluate psychologic comorbidity in patients with trichodynia. MATERIALS AND METHODS: A total of 248 patients (153 females, 95 males), presenting with hair loss due to either TE or AGA, were enrolled in this study. The prevalence of trichodynia in these two groups was compared with that in controls (n = 184). In addition, psychiatric evaluation was performed in 25 patients with trichodynia (13 females, 12 males) and in 25 controls (16 females, nine males) without alopecia and trichodynia by a psychiatrist; Diagnostic and Statistical Manual of Mental Disorders (DSM)IV criteria were used for the assessment. RESULTS: Trichodynia was found in 72 patients (29%) with hair loss and in six controls (3.3%; P < 0.0001); 25 of the 72 patients with trichodynia underwent psychiatric evaluation and 19 of the 25 patients were found to have psychopathologic signs (76%). In the control group, only five patients had psychopathologic signs (20%; P = 0.0004). Of those with hair loss, trichodynia was more frequent in the TE group than in the AGA group (P < 0.0071). CONCLUSIONS: Trichodynia is a common symptom in patients with TE and AGA, and often coexists with psychopathologic findings, including depression, obsessive personality disorder, and anxiety.
Adolescent↗
Pain induces decrease of blood flow in the common carotid arteries in cluster headache attacks.
Eighteen cluster headache patients and five controls were studied using ultrasound duplex techniques to measure blood flow in the common carotid arteries after nitroglycerin and placebo administration. Vessel diameter and blood flow tended to be greater before nitroglycerin in patients in the cluster headache period than in patients out of period and controls. Nitroglycerin tended to increase blood flow only in patients not in the cluster period and in controls. There was a significant decrease in common carotid blood flow and increase in vascular resistance related to maximum pain in both nitroglycerin-induced and spontaneous cluster headache attacks. Blood flow did not reach the initial flow values after the attack was over. In one patient a hyperventilation attack only temporarily decreased the pain. We suggest that the decrease in blood flow and increase in vascular resistance may be due to constriction of intracranial arteries by reflex activation of sympathetic efferents, rather than to decrease of arterial CO2 tension.
Adult↗
Characteristics of migraine in an out-patient population over 60 years of age.
One hundred and sixty-three consecutive patients (129 females and 34 males) over 60 years of age attending the Headache Centre of the University of Perugia in the period January 2000-December 2001 were included in the study. One hundred and fifty-two (93.3%) were affected by a primary headache disorder. According to the 1988 IHS Criteria, their prevailing attacks could be diagnosed as migraine without aura (MwoA) in 57.2% of cases (n = 87) and as migraine with aura (MwA) in 11.8% of cases (n = 18). Attacks both in MwoA and MwA were unilateral and of severe-to-moderate intensity in 45% and 50% of cases. Head pain was referred as pulsating by 56% and 38.9% of MwoA patients MwA patients, respectively. Aggravation with routine daily activities was present in 72.4% and 61.1% in MwoA and MwA patient groups. The most frequent accompanying symptoms were photophobia and phonophobia. Headache attacks were of shorter duration in MwA patients, but in 3.4% of MwoA patients attacks lasted between 2 and 4 h. Of patients affected by MwA, 55% referred, together with the typical attacks, symptoms of aura not followed by headache. A worsening of headache in the last 5 years was reported by 67.8% and 44.4% of MwoA and MwA patients, respectively. Of the patients with MwoA, 86.2% (n = 75), and 83.3% (n = 15) of those with MwA used symptomatic drugs for their attacks. In the majority of cases they took more than one analgesic or non steroidal anti-inflammatory drug. A total of 51.7% of patients with MwoA and 55.5% of patients with MwA were under prophylactic treatment. Preventive drugs included antidepressants, beta-blockers, calcium channel antagonists and antiepileptic drugs. The choice of symptomatic or prophylactic drugs was made, in the majority of cases, on the basis of concomitant diseases.
Aged↗
Cardiovascular responses to pain and stress in migraine.
OBJECTIVE: The purpose of this study was to investigate how migrainous subjects and controls differ in their cardiovascular reactivity and recovery to a cognitive and an acute pain laboratory stressor. BACKGROUND: Prior research suggests that individuals subject to migraine may respond physiologically to pain and stress differently than controls. METHODS: Fifty-two women (26 with migraine and 26 controls) participated in a single laboratory session. Multiple cardiovascular responses to a cognitive (mental arithmetic) and an acute pain (cold pressor task) stressor were recorded with cardiac impedance methods. The cardiovascular responses measured included systolic and diastolic blood pressure, heart rate, cardiac output, stroke volume, and total peripheral resistance. RESULTS: Results indicated that the migrainous participants displayed different cardiovascular recovery patterns for total peripheral resistance, cardiac output, and stroke volume following the termination of the mental arithmetic task. CONCLUSIONS: These results support the hypothesis that individuals with migraine respond physiologically to stress differently than control individuals.
Adolescent↗
Cutaneous infections in the elderly: diagnosis and management.
Over the past several years there have been many advances in the diagnosis and treatment of cutaneous infectious diseases. This review focuses on the three major topics of interest in the geriatric population: herpes zoster and postherpetic neuralgia (PHN), onychomycosis, and recent advances in antibacterial therapy. Herpes zoster in adults is caused by reactivation of the varicella-zoster virus (VZV) that causes chickenpox in children. For many years acyclovir was the gold standard of antiviral therapy for the treatment of patients with herpes zoster. Famciclovir and valacyclovir, newer antivirals for herpes zoster, offer less frequent dosing. PHN refers to pain lasting > or = 2 months after an acute attack of herpes zoster. The pain may be constant or intermittent and may occur spontaneously or be caused by seemingly innocuous stimuli such as a light touch. Treatment of established PHN through pharmacologic and nonpharmacologic therapy will be discussed. In addition, therapeutic strategies to prevent PHN will be reviewed. These include the use of oral corticosteroids, nerve blocks, and treatment with standard antiviral therapy. Onychomycosis, or tinea unguium, is caused by dermatophytes in the majority of cases, but can also be caused by Candida and nondermatophyte molds. Onychomycosis is found more frequently in the elderly and in more males than females. There are four types of onychomycosis: distal subungual onychomycosis, proximal subungual onychomycosis, white superficial onychomycosis, and candidal onychomycosis. Over the past several years, new treatments for this disorder have emerged which offer shorter courses of therapy and greater efficacy than previous therapies. The treatment of bacterial skin and skin structure infections in the elderly is an important issue. There has been an alarming increase in the incidence of gram-positive infections, including resistant bacteria such as methicillin-resistant Staphylococcus aureus (MRSA) and drug-resistant pneumococci. While vancomycin has been considered the drug of last defense against gram-positive multidrug-resistant bacteria, the late 1980s saw an increase in vancomycin-resistant bacteria, including vancomycin-resistant enterococci (VRE). More recently, strains of vancomycin-intermediate resistant S. aureus (VISA) have been isolated. Gram-positive bacteria, such as S. aureus and Streptococcus pyogenes are often the cause of skin and skin structure infections, ranging from mild pyodermas to complicated infections including postsurgical wound infections, severe carbunculosis, and erysipelas. With limited treatment options, it has become critical to identify antibiotics with novel mechanisms of activity. Several new drugs have emerged as possible therapeutic alternatives, including linezolid and quinupristin/dalfopristin.
2-Aminopurine↗
Aristolochic acid nephropathy in a Chinese patient: time to abandon the term "Chinese herbs nephropathy"?
The causal role of aristolochic acid (AA) in the so-called Chinese herbs nephropathy (CHN) has been conclusively demonstrated only in the Belgian epidemic. We report a biopsy-proven hypocellular interstitial fibrosing nephropathy in a Chinese patient who had ingested a Chinese herbal preparation bought in Shanghai. The identification of AA in the preparation and of AA-DNA adducts in the kidney tissue unequivocally demonstrates, for the first time, the causal role of AA outside the Belgian epidemic. Because the ingested preparation is very popular in China as an over-the-counter product, our observation raises the possibility that many such cases due to AA might be currently unrecognized in China. AA should be banned from herbal preparations worldwide. All cases of the so-called CHN, in which the causal role of AA has been thoroughly documented, should be further identified as aristolochic acid nephropathy (AAN). The term phytotherapy-associated interstitial nephritis (PAIN) might refer to the other cases associated with phytotherapy without identification, as yet, of the causal agent.
Aristolochic Acids↗
Autonomic responses and pain perception in Alzheimer's disease.
We analysed the effects of electrical noxious stimulation on the autonomic nervous system of Alzheimer's disease (AD) patients who were assessed by means of the Mini Mental State Examination test (MMSE). To do this, we used electrical stimuli at two different intensities: just above pain threshold and twice pain threshold. We recorded heart rate and systolic blood pressure by using conventional electrocardiography and finger photo-plethysmography. When a pain stimulus just above threshold was delivered, AD patients were found to have blunted autonomic responses compared to controls of the same age. Similarly, prestimulus expectation produced a less pronounced increase of the responses in AD patients compared to the controls. However, when the painful stimulus was increased to twice the pain threshold, the systolic blood pressure increase of AD patients did not differ from the controls, whereas heart rate increase was still slightly diminished. By contrast, pain perception was similar in the two groups when the stimulus was at pain threshold, whereas it was blunted in AD patients when the stimulus was twice the pain threshold. These findings show that in AD mild noxious stimulation produces blunted autonomic responses and normal pain perception, whereas strong noxious stimulation produces quasi-normal autonomic responses and blunted pain perception. These results indicate that AD patients have an increased threshold for both autonomic activation and pain tolerance.
Aged↗
Hypothalamic-pituitary-gut axis dysregulation in irritable bowel syndrome: plasma cytokines as a potential biomarker?
BACKGROUND & AIMS: Irritable bowel syndrome (IBS) is a functional disorder with an etiology that has been linked to both psychological stress and infection. The primary aim of this study was to examine the hypothalamic-pituitary-adrenal axis in patients with IBS and to relate such response to plasma cytokine profiles. METHODS: A total of 151 subjects, 76 patients and 75 controls, were recruited. The patients with IBS were diagnosed according to Rome II criteria. Forty-nine patients and 48 matched controls had cytokine levels measured, and a subset of 21 patients and 21 controls also underwent a corticotropin-releasing hormone (CRH) stimulation test with plasma levels of adrenocorticotropic hormone (ACTH) and cortisol measured. The remaining 27 patients and 27 controls underwent a dexamethasone (1 mg) challenge. RESULTS: Cortisol and the proinflammatory cytokines interleukin (IL)-6 (together with its soluble receptor) and IL-8 were elevated in all IBS subgroups (diarrhea predominant, constipated, and alternators), although the elevation was most marked in the constipated subgroup. There was no alteration in the anti-inflammatory cytokine IL-10. Following CRH infusion, an exaggerated release of both ACTH and cortisol was observed in patients with IBS. There was a significant correlation between the ACTH response (deltaACTH) and the IL-6 levels. A similar relationship existed between the deltaACTH/deltacortisol ratio and the IL-6 levels. Dexamethasone suppression of cortisol was similar in patients and controls. CONCLUSIONS: IBS is characterized by an overactivation of the hypothalamic-pituitary-adrenal axis and a proinflammatory cytokine increase.
Adrenocorticotropic Hormone↗
Distance to the adult cervical epidural space.
BACKGROUND AND OBJECTIVES: Cervical epidural block is useful in the management of a variety of acute, chronic, and cancer-related pain syndromes involving the head, face, neck, and upper extremities. Knowledge of the depth from the skin to the cervical epidural space (DSES) may be helpful when performing cervical epidural block and may reduce the possibility of complications. We studied DSES in adults and its relationship with patient age, height, weight, and neck circumference. METHODS: The study included 816 patients. Cervical epidural block was performed at the C5-6, C6-7, and C7-T1 intervertebral space by a midline approach under fluoroscopic guidance. The depth to the epidural space from the skin was measured. RESULTS: DSES at C5-6, C6-7, and C7-T1 was 4.7 +/- 0.6 cm, 5.1 +/- 0.6 cm, 5.6 +/- 0.8 cm in males and 4.0 +/- 0.6 cm, 4.6 +/- 0.6 cm, 5.0 +/- 0.6 cm in females (mean +/- SD). Linear regression analysis revealed significant correlations between DSES and weight, neck circumference, and body mass index. CONCLUSION: DSES varies with cervical intervertebral space. DSES increases as one moves caudally. The greatest DSES was noted at C7-T1 in men, and the least was at C5-6 in women. DSES had a significant relationship with weight, neck circumference, and body mass index in both genders.
Adult↗
Ultrasonography in the diagnosis of abdominal aortic aneurysms.
An abdominal aortic aneurysm was detected in 77 patients among 16 488 abdominal ultrasonographies (US) performed in 1978-1983. In 62 cases the US finding was confirmed by operation, autopsy or other imaging method, and the US finding proved true in 60 cases. The length and diameter were accurately estimated and accompanying thrombosis reliably visualised. An error rate of 24% was observed in assessing the relation of the aneurysm to the renal arteries. US is recommended as the primary imaging mode in suspected abdominal aortic aneurysm. Screening of the abdominal aorta is recommended in elderly patients with abdominal pain and/or referred for abdominal US.
Adult↗
Stinging and rosacea.
A total of 32 rosacea patients (25 with the papulopustular type of rosacea and 7 with the erythematotelangiectatic type) and 32 healthy persons were single-blind tested with a solution of 5% lactic acid and pure water applied to their cheeks. Twenty-four patients and 6 controls reacted positively as "stingers" (p<0.001) in this objective test of sensitive skin. All 7 of the patients with erythematotelangiectatic rosacea, but only 17/25 with the papulopustular type, were stingers (n.s.). The reason why some patients react with subjective symptoms, such as itching, burning, stinging, prickling or tingling, is unclear. The findings in this study are not surprising, but do support the theory that impairment due to different stimuli, most likely because of vascular sensitivity, is a central mechanism in the aetiology of rosacea. The correlation between sensitive vessels and sensitive skin has, however, not yet been determined.
Adult↗
Chronic idiopathic orofacial pain. A long-term follow-up study.
Patients suffering facial pain that does not fit with the traditional diagnostic criteria and which does not respond to dental treatment constitute a clinical problem. These patients lack a proper diagnosis and are frequently exposed to excessive and inadequate invasive treatment. The aim of this investigation was to study the long-term development of pain and the result of treatment in a cohort of patients suffering chronic idiopathic facial pain. The 74 patients referred to the Facial Pain Diagnostic Group at the Karolinska Institute School of Dentistry between 1981 and 1992 were invited to take part in a follow-up study. As 16 subjects were unwilling or unable to take part in the study and 13 had died, the remaining 45 were interviewed either in accordance with a standard protocol or by filling out a questionnaire mailed to them. The interview revealed that 10 were free of orofacial pain, but only 2 were totally free of pain. Over the 9-19 years' follow-up period the relationship between facial pain and pain in the rest of the body had changed substantially. Of 14 patients and more than 100 extractions, permanent pain relief was felt by only 3 patients. It is concluded that a diagnosis was given in only 2 cases. The distribution of the pain has changed dramatically. The low success rate of invasive treatments suggests that such therapeutic methods are to be considered contraindicated in patients suffering from idiopathic orofacial pain.
Aged↗
Effects of methods used for blood collection on plasma concentrations of luteinising hormone, testosterone, and cortisol in male dogs.
The effects of two putative stressors relative to the collection of blood, namely the environment of the treatment room and the pain associated with venepuncture, on plasma levels of luteinising hormone (LH), testosterone and cortisol were examined in six trained male experimental dogs. Blood samples were collected from the dogs in a treatment room as well as in the kennels (control), and by venepuncture as well as via an indwelling intravenous catheter (control). No significant influence of either stressor on plasma levels of LH, testosterone or cortisol was found. Plasma concentrations of these hormones varied considerably both between and within dogs. Mean (+/- SEM; n = 6) plasma concentrations were 4.3 +/- 1.0 micrograms/l for LH, 4.6 +/- 1.9 nmol/l for testosterone and 68 +/- 10 nmol/l for cortisol. It was concluded that the putative stressors, the environment of the treatment room and the pain associated with venepuncture, did not significantly influence plasma levels of LH, testosterone or cortisol in trained male experimental dogs. This conclusion implies that under the experimental conditions described, the validity of results will not be affected by the method of blood collection used.
Animals↗
Feeling the absence: a content analysis from the Scott and White grief study.
In an effort to understand how the bereaved "make sense" of deaths they have experienced, 85 mourners were asked to write a free essay in response to the question, "What does the death of your loved one mean to you?" In a content analysis of the resulting narratives, 9 unique meaning constructs emerged, the most prominent of which spoke to the theme of feeling the absence of the decedent. A distinction was drawn between meaning categories referent to pain and suffering versus recovery and hope and between consequent/instrumental forms of meaning versus philosophical/existential meanings. Implications for additional study of the relationship between meaning constructs and bereavement adaptation were discussed.
Adaptation, Psychological↗
Pain management in French neonatal intensive care units.
UNLABELLED: The aim of this study was to investigate pain management in neonatal intensive care units (NICUs) in France and to identify factors associated with variability across units. A questionnaire sent to 143 heads of level II or III NICUs investigated the use of pain scores, pain management organization and pharmacological treatment in five clinical situations (endotracheal intubation, prolonged mechanical ventilation, acute stage of necrotizing enterocolitis, central venous catheter insertion and cephalhaematoma). The response rate was 81%. Among the 35 (30%) units that used no pain scores, 40% ascribed this to lack of knowledge. Factors associated with failure to use pain scores were level II status, no university affiliation, no surgical patients and neonatal patients only. Among the units that scored pain, 78% used valid scores for acute pain and 73% for prolonged pain. Written guidelines were available for acute pain in 65% of units and for prolonged pain in 36%. The rate of pharmacotherapy use varied widely across the five clinical situations studied (from 16 to 77%) and across units for a given clinical situation. Also extremely variable were the regimens used in each situation and the dosages of analgesics and sedatives. Only 11% of units adjusted dosages to gestational age. CONCLUSION: Pain assessment was performed in the most French NICUs, but a strong heterogeneity for pain treatment was observed. Reference to recently published pain management guidelines and new randomized trials could be useful to optimize pain treatment in NICUs.
Analgesics↗
Ultrasonographic evaluation of fatty meal stimulated gallbladder contraction in the diagnosis of biliary dyskinesia in children.
AIM: Biliary dyskinesia (BD) is characterized by symptoms of biliary disease, no evidence of gallstones on ultrasonography (USG), and diminished gallbladder ejection fraction. The diagnosis is based on findings of abnormal gallbladder ejection fraction diagnosed by hepatobiliary scintigraphy before and after stimulation of gallbladder contraction with cholecystokinin (CCK). We used an easier diagnostic technique defined as ultrasonographic evaluation of fatty meal stimulated gallbladder contraction, employing USG with the diagnosis of biliary dyskinesia in children. The study was conducted by USG to investigate the volume and contractility of the gallbladder (GB) in fasting conditions and 45 min after a standardized fatty meal (SFM) in normal children and in a group of BD patients, and to compare the diagnostic value of this test with scintigraphy and to evaluate its use as a new method in the diagnostic algorithm of BD. METHODS: We assessed the volume changes and contractility of the GB in response to SFM by USG in 14 patients with BD diagnosed by cholecystokinin stimulated hepatobiliary scintigraphy (CCKs-HBS); and compared them with 14 control patients matched for age and gender before cholecystectomy. After an overnight fasting, GB volume was measured by USG then the GB volume was again measured after the SFM ingestion. Using USG, length, width and height of GB were measured, and volume of the GB was calculated using the 'Dodds' formula. These volume measurements were used to calculate the percentage of gallbladder emptying (ejection fraction). Fasting, after SFM and EF values comparisons between groups were done with student's t-test. RESULTS: No statistically significant difference of fasting GB volumes were demonstrated between BD and control groups (14.1+/-6.7 cm3 and 13.4+/-4.0 cm3 respectively). GB volumes of the BD group after SFM were significantly greater than in healthy controls (13.1+/-1.8 cm3 and 3.4+/-0.9 cm3 respectively, P<0.0005). The calculated percentage of gallbladder contraction (ejection fraction) was found to be lower in BD patients than in healthy controls (7.1%+/-1.8% and 73.8%+/-6.4%, respectively, P<0.0005). CONCLUSION: Ultrasonographic evaluation of fatty meal stimulated gallbladder contraction provides relatively reliable and reproducible results. Thus it can be used for scanning in patients with biliary symptoms as a prior modality to CCK-HBS since it is a relatively easier, safer and available method with which to make a definitive diagnosis of BD. The patients with symptoms of biliary disease and no evidence of gallstones on USG should be evaluated by the method proposed in this study before the routine laboratory and radiologic tests.
Adolescent↗
Fibrositis (fibromyalgia syndrome) and the dental clinician.
The purpose of this article is to inform the general dentist treating the temporomandibular joint complex about fibrositis (fibromyalgia syndrome). Patients may present with spasms in the muscles of mastication, which may mimic joint pain or cause joint dysfunction. Tooth pain, which may mimic endodontic pain, may also be referred from a trigger pain in a muscle.
Adult↗