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Biomedical subjects

J Collier

Publications and source records attributed to J Collier.

At least 37 records · Page 2Linked to original sources
PubMed1999

Moclobemide in the treatment of major depressive disorder (DSM-3) following traumatic brain injury.

Major depression (MDD) following traumatic brain injury (TBI) is a common phenomenon. There are no adequate studies in the literature defining optimum treatments for this condition following TBI. The opportunity arose to analyse a group of patients who were included in a larger study of an antidepressant (moclobemide). As the treatment, but not the delivery, was known, this has the status of an open study. Twenty-six patients with major depression of late onset (mean 4.67 years post-TBI) were identified (18 male, 8 female), with a mean age at injury 28.49 years. The group was moderately depressed with Hamilton Depression score (HAM-D) of 23.385 and moderately anxious with Hamilton Anxiety score (HAM-A) of 21.231. Mean HAM-D reduction was 81% and HAM-A reduction 81%. Of the 26 subjects 23 were defined as responders. Onset of action was rapid, with 17 responding by day 3. Irritability scores showed a mean reduction of 57% and pain scores a reduction of 39%. It is concluded that moclobemide may be an effective treatment for MDD following TBI, but properly controlled studies must be carried out to confirm this.

Adolescent↗
PubMed1999

Comparison of lignocaine-prilocaine cream and amethocaine gel for local analgesia before venepuncture in children.

The efficacy of lignocaine-prilocaine cream (EMLA) and amethocaine gel (Ametop) in reducing the pain and distress of venepuncture was compared in a single-blind randomized study of 34 children aged 1-14 y. The influences of age, anxiety and past experience were also investigated. Pain was assessed by the researcher using the Observation Scale of Behavioural Distress, and by the parent, doctor and child (if old enough) using a 10-cm, 100-point Visual Analogue Scale (VAS). Doctors also completed a simple rating scale for difficulty of venepuncture. Compared to older children, infants had significantly more anxious parents and were more distressed when being held still. Anticipatory anxiety correlated with higher pain ratings. No differences in the analgesic effect of the two preparations were found. We conclude that whilst EMLA and Ametop are equally effective at reducing the pain of needle puncture, under some circumstances the use of Ametop may be more advantageous.

Adolescent↗
PubMed1998

Using multimedia for patient information--a program about nocturnal enuresis.

OBJECTIVES: To identify the information needs of children with nocturnal enuresis, and to design, produce and evaluate an interactive computer program to provide this information. SUBJECTS AND METHODS: The program was developed over an 18-month period using information provided by children, parents and professionals, and was evaluated in a hospital-based enuresis clinic in 65 children. Usability and knowledge gained were also evaluated in 43 healthy children aged 8-10 years attending a local inner-city primary school. RESULTS: An interactive program about nocturnal enuresis was developed, which runs on a personal computer and uses sound, voice, cartoon drawings and animation in a modular design. Knowledge scores increased in clinic attendees and in schoolchildren after using the program (Wilcoxon matched pairs test, P < 0.001). This improvement was maintained when the program was re-tested 6-10 months later. CONCLUSION: This interactive computer program holds children's attention and increases their understanding of enuresis. Interactive multimedia may be useful to complement the information provided by health professionals. This method of communication may be particularly useful for children with a low level of literacy.

CD-ROM↗
PubMed1998

Acute erythroleukemia: evaluation of 48 cases with reference to classification, cell proliferation, cytogenetics, and prognosis.

We evaluated 48 archival cases of acute erythroleukemia and divided them into 3 groups: M6a, corresponding to the traditional French-American-British M6 category; M6b, which is pure erythroleukemia; and M6c, in which myeloblasts and pronormoblasts each account for more than 30% of cells by the French-American-British exclusion criteria. No significant differences were noted among the subtypes for ratio of males to females; age; or exposure to toxins, alcohol, or both. However, compared with the patients in the M6a group, patients in the M6b and M6c groups demonstrated a statistically significant increase in cytogenetic aberrations, proliferation markers (proliferating cell nuclear antigen and Ki67), and ringed (type III) sideroblasts. Marked survival differences were noted between the M6a (30.1 +/- 29.5 months) and M6b (3.15 +/- 4.2 months) groups, with patients in the M6c group demonstrating an intermediate prognosis (10.5 +/- 12.7 months). Chemotherapeutic regimens induced remission in all treated patients in the M6a and M6c groups but did not appear to affect the M6b group. However, the patients in the M6c group remained in remission for a significantly shorter period of time than did patients in the M6a group. Overall, survival appeared to depend on the ratio of pronormoblasts to myeloblasts at diagnosis and demonstrated a rapid decline with increasing pronormoblast and decreasing myeloblast counts. We must, therefore, devise chemotherapeutic regimens that target both blastic components of this disease.

Adult↗
PubMed1997

Mental health. Back from the brink.

Mental healthcare in Wolverhampton had sunk to such depths that two years ago the purchasing authority was openly discussing commissioning its services from another town. Today the situation is transformed. David Jolley and colleagues explain how such marked progress was achieved.

Community Mental Health Services↗
PubMed1997

Potent antitumour activity of a new class of tumour-specific killer cells.

Two approaches to the antibody-directed targeting of toxic or cytolytic activity and augmentation of cellular immune responses have been explored for tumour immunotherapy, but so far success has been limited. Obstacles facing immunotherapy are the limited accessibility of antibodies or antibody conjugates to solid tumours and the difficulty in obtaining tumour-specific cytotoxic lymphocytes. Here we generate a new class of tumour-specific killer cells by genetically modifying lymphocytes to produce and secrete a targeted toxin against an oncoprotein overexpressed on breast and other tumour cells. The transduced lymphocytes were shown to have potent and selective cytotoxicity to tumours in culture and nude mouse models. The potent in vivo antitumour activity is probably a result of the migration of the lymphocytes to tumours as a targeted toxin carrier, and production and accumulation of the targeted toxins inside tumours as a producer. Our approach, which has features of both antibody-directed and cell-mediated immunotherapy, may have application in a gene therapy context.

ADP Ribose Transferases↗
PubMed1997

Attitudes to children's pain: exploding the 'pain myth'.

Previous research has identified healthcare professionals' belief in myths about children's experience of pain as a cause of inadequate pain treatment. In this study, 47 doctors and 36 nurses involved in paediatric care completed a detailed questionnaire on 'pain myths'. The findings indicate a more informed awareness among healthcare professionals regarding childhood pain than previously suggested and that unconditional belief in 'pain myths' is not widespread.

Attitude of Health Personnel↗
PubMed1997

Holding children still for procedures.

The attitudes and concerns of 394 paediatric nurses about the practice of restraining children during clinical procedure were surveyed. The majority believed that restraint rather than pain was the most likely cause of distress. Age of the child, degree of urgency and type of procedure were all relevant to the decision whether to hold the child still. Nurses were unsure about the legal position and the majority reported that they had no formal training in holding techniques. These findings indicate the need for more training and guidelines about when to hold children and for the legal position to be clarified.

Adolescent↗