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PubMed2003

Quality of life in lung cancer patients: does socioeconomic status matter?

BACKGROUND: As part of a prospective study on quality of life in newly diagnosed lung cancer patients an investigation was carried out to examine whether there were differences among patients' quality of life scores and their socioeconomic status. METHODS: Quality of life was measured at two points in time (baseline and three months after initial treatment) using three standard instruments; the Nottingham Health Profile (NHP), the European Organization for Research and Cancer Treatment Quality of Life Questionnaire (EORTC QLQ-C30) and its lung cancer supplement (QLQ-LC13). Socioeconomic status for each individual patient was derived using Carstairs and Morris Deprivation Category ranging from 1 (least deprived) to 7 (most deprived) on the basis of the postcode sector of their address. RESULTS: In all, 129 lung cancer patients entered into the study. Of these data for 82 patients were complete (at baseline and follow-up). 57% of patients were of lower socioeconomic status and they had more health problems, less functioning, and more symptoms as compared to affluent patients. Of these, physical mobility (P = 0.05), energy (P = 0.01), role functioning (P = 0.04), physical functioning (P = 0.03), and breathlessness (P = 0.02) were significant at baseline. However, at follow-up assessment there was no significant difference between patient groups nor did any consistent pattern emerge. CONCLUSION: At baseline assessment patients of lower socioeconomic status showed lower health related quality of life. Since there was no clear trend at follow-up assessment this suggests that patients from different socioeconomic status responded to treatment similarly. In general, the findings suggest that quality of life is not only the outcome of the disease and its treatment, but is also highly dependent on each patients' socioeconomic characteristics.

Aged↗
PubMed1982

The sport diving employee.

As scuba diving becomes an increasingly popular recreational activity, the probability of the occupational health physician seeing diving-related disorders increases. Recognition of many of these disorders is unlikely if not specifically looked for and if any account of diving activities is not forth-coming. Diagnosis and management of diving diseases range from simple ear squeeze to decompression sickness. There are relative and absolute contradictions to sport diving.

Decompression Sickness↗
PubMed2005

Prevalence of diarrheagenic Escherichia coli in children with diarrhea in Salvador, Bahia, Brazil.

We report the frequency of the different diarrheagenic Escherichia coli (DEC) categories isolated from children with acute endemic diarrhea in Salvador, Bahia. The E. coli isolates were investigated by colony blot hybridization with the following genes probes: eae, EAF, bfpA, Stx1, Stx2, ST-Ih, ST-Ip, LT-I, LT-II, INV, and EAEC, as virulence markers to distinguish typical and atypical EPEC, EHEC/STEC, ETEC, EIEC, and EAEC. Seven of the eight categories of DEC were detected. The most frequently isolated was atypical EPEC (10.1%) followed by ETEC (7.5%), and EAEC (4.2%). EHEC, STEC, EIEC, and typical EPEC were each detected once. The strains of ETEC, EAEC, and atypical EPEC belonged to a wide variety of serotypes. The serotypes of the others categories were O26:H11 (EHEC), O21:H21 (STEC), O142:H34 (typical EPEC), and O:H55 (EIEC). We also present the clinical manifestations and other pathogenic species observed in children with DEC. This is the first report of EHEC and STEC in Salvador, and one of the first in Brazil.

Bacterial Typing Techniques↗
PubMed1990

Clinical and pharmacological study of a novel controlled release preparation of salbutamol.

This study compared the efficacy of 8 mg controlled release (CR) salbutamol tablets twice daily with standard 4 mg salbutamol tablets four times daily in patients with chronic obstructive airways disease. There was significant bronchodilation in both treatment groups as measured by standard spirometry (P less than 0.05). With the CR preparation there was significantly less wheeze (P less than 0.05) and significantly reduced requirement for rescue bronchodilator (P less than 0.05). Salbutamol levels measured hourly on the final day of each treatment period showed that the drug profile in the CR group was smoother, without the troughs and peaks seen with standard tablets.

Adult↗
PubMed1991

Human temporal bone findings in acquired hypothyroidism.

Histological studies of the auditory organ in patients with acquired hypothyroidism are scarce. Thus the aim of the present study was to examine the temporal bones and the brain in subjects with hypothyroidism. Four temporal bones and two brains from clinically and biochemically hypothyroid subjects were removed and evaluated by light microscopy determine to the morphological changes and deposition of neutral and acid glycosaminoglycans. An audiogram from one of the patients showed a sensorineural hearing loss, which could be ascribed to occupational noise exposure. The study revealed histological changes compatible with age and infectious disease. No accumulation of neutral or acid glycosaminoglycans could be demonstrated in the temporal bones, or in the brains.

Adipose Tissue↗
PubMed1981

Radiological trabeculation for the male bladder--a clinical and urodynamic assessment.

Two hundred and fifty patients have been studied by synchronous cine/pressure/flow cystometry to assess the relationship between radiological trabeculation and the urodynamic findings. There is a strong association between detrusor instability and trabeculation. Trabeculation, however, may also occur in the presence of high pressure outflow obstruction, usually at prostate level, in the absence of instability. It is suggested that frequent uninitiated detrusor contraction against a voluntarily closed sphincter is a likely cause of the more prominent varieties of trabeculation. However, the presence of minor degrees of trabeculation noted at cystoscopic examination in the absence of detrusor instability is not disputed.

Adult↗
PubMed1986

Bladder muscle biopsy and urethral sphincter EMG in patients with bladder dysfunction after pelvic surgery.

Eleven patients who suffered persistent bladder dysfunction after pelvic surgery have been investigated by needle urethral sphincter electromyography (EMG) and bladder muscle biopsy, and the results compared with those obtained in a series of controls. Individual motor units recorded from the urethral sphincter in patients who had undergone pelvic surgery were strikingly abnormal, suggesting the presence of reinnervation, and the density of detrusor innervation was significantly reduced. However, since reduction in the density of detrusor innervation may occur in circumstances other than peripheral nerve injury, we conclude that urethral sphincter EMG provides the most effective means of assessing damage to vesico-urethral innervation as a result of previous pelvic surgery.

Aged↗
PubMed1983

Non-obstructive detrusor failure. A urodynamic, electromyographic, neurohistochemical and autonomic study.

Twenty-eight patients presenting with persistent loss of the voiding reflex have been evaluated. Those with cauda equina lesions or pelvic nerve injury were distinguished from a group with idiopathic detrusor failure by their abnormal urethral behaviour during filling, and by urethral sphincter electromyography (EMG). Bladder muscle biopsies revealed the presence of presumptive cholinergic fibres in all three groups, indistinguishable in quantity and distribution from normal controls. The implications of these findings for the diagnosis and management of these patients is discussed.

Adult↗
PubMed1982

Electrical anal stimulation and the prediction of bladder stability after surgical relief of male outflow obstruction.

In an attempt to predict which unstable bladders in males with outflow obstruction would convert to stability following surgery, we performed functional electrical stimulation (FES) of the anus during pre-operative rapid fill cystometry in 13 patients with benign prostatic hypertrophy (BPH) and 5 patients with bladder neck obstruction (BNO), all of whom had associated instability. Instability was suppressed in only 2 patients with BPH. Although suppression was achieved in 4 patients with BNO, no correlation was found with either post-operative stability or symptomatology in this group or the patients with BPH and we conclude that FES has no predictive value in this context.

Adult↗
PubMed1990

Pre-operative localisation in primary hyperparathyroidism.

One hundred and seventy-three patients operated on for primary hyperparathyroidism over a four year period by one experienced surgeon are reviewed. An overall success rate of 98.8% was achieved with information from pre-operative localisation using ultrasound and parathyroid venography with sampling. Parathyroid ultrasound was heavily dependent on the experience of the operator. An experienced ultrasonologist detected 63% of solitary adenomas and correctly localised the site of 82%. Glands were not detected if they were of small size or in an inaccessible site. He identified all those enlarged glands over 0.36 grams in weight that were lying in the usual site. In contrast, inexperienced ultrasonologists had a detection rate of 20%. Parathyroid venography with sampling detected a single site of excess hormone production in the neck of 79% of patients with a single adenoma, and correctly localised the site in 75% of these. The side was correctly predicted for 63% of glands, the level was correctly predicted for 56% and both side and level localisations were correct in 44%. Multi-gland disease was correctly suggested by the experienced ultrasonologist in 56% of cases and by parathyroid venography with sampling in 31% cases.

Adenoma↗
PubMed1989

Aural polyps as predictors of underlying cholesteatoma.

In a retrospective study of 96 patients 16 different histological features were examined in 100 aural polyps to see whether some or any could be used to predict the presence or absence of a cholesteatoma underlying the polyp. The patients were divided into those who had cholesteatoma and those who did not, so that discriminatory features were identified. These were combined to make an overall prediction of the probability of a cholesteatoma in the middle ear. The results showed that any polyp that (i) was composed of raw granulation tissue and (ii) contained keratin as flakes or masses had a 70-80% probability of being associated with an underlying cholesteatoma. In contrast, when a polyp (i) was composed of a fibrous core, (ii) had a covering epithelium, and (iii) contained glands and lymphoid aggregates, there was a 70-80% probability of cholesteatoma being absent. This scoring system can be used to help surgeons decide whether surgical exploration of the mastoid should be undertaken.

Adolescent↗
PubMed1988

Hyperparathyroidism after neck irradiation.

A retrospective review of 1550 cases of hyperparathyroidism (HPT) treated surgically over a 30-year period reveals a past history of exposure to neck irradiation in 10 cases (0.7 per cent). The indication for radiotherapy was benign disease in nine and papillary thyroid carcinoma in one case. The mean interval between radiation exposure and the detection of HPT was 32 years (range 3-63 years). Patients treated with radioactive iodine alone developed HPT after a mean of 5 years while the interval for those treated with external beam therapy alone was a mean of 44 years. The parathyroid histology was adenoma in six cases, carcinoma in three cases and nodular hyperplasia in one case. All patients had coincident benign thyroid disease apart from one that had previously had papillary carcinoma and another with follicular carcinoma. Neck irradiation has been shown to confer an increased risk of HPT due to parathyroid adenoma and carcinoma. Radiotherapy for benign disease has generally been abandoned and these cases demonstrate a further contra-indication for the use of neck irradiation.

Adult↗
PubMed1990

201Tl scintigraphy in the staging of lung cancer, breast cancer and lymphoma.

To evaluate 201Tl in the detection of the primary tumour, lymph node involvement and mediastinal spread we have studied a total of 188 patients with histologically proven lung cancer, breast cancer or malignant lymphoma. Ten patients with benign lung disease were also examined. Static images were performed 20 min after intravenous injection of 75 MBq of thallous (201Tl) chloride. The results were compared with those of standard staging procedures including CT scanning and mediastinal exploration. Thallium-201 imaging was highly sensitive in detecting the primary tumour (lung cancer 86%, breast carcinoma 100%, lymphoma 85%), but showed low sensitivity in detecting mediastinal spread or lymph node involvement. Thallium-201 uptake was also observed in active sarcoidosis (one case) and active TB (two cases). We conclude that 201Tl imaging is unlikely to have a clinically useful role in the diagnosis or staging of lung cancer, breast cancer or lymphoma.

Adenocarcinoma↗
PubMed1981

Unheralded urinary tract infection in the male. A clinical and urodynamic assessment.

Fifty adult males presenting with unheralded single or recurrent urinary tract infections, but without prior urinary symptoms or disorders, were investigated by appropriate urodynamic techniques. Pressure/flow videocystography revealed significant underlying lower urinary tract abnormalities in 40 cases (80%) compared with only 11 (22%) whose abnormalities were also demonstrated by standard intravenous urography or endoscopy. We suggest that videocystography is the most efficient diagnostic procedure for these cases in a specialist unit but recommended the intravenous urodynamogram as a simpler screening test for general use.

Adolescent↗
PubMed2000

Gemcitabine plus best supportive care (BSC) vs BSC in inoperable non-small cell lung cancer--a randomized trial with quality of life as the primary outcome. UK NSCLC Gemcitabine Group. Non-Small Cell Lung Cancer.

Three hundred patients with symptomatic, locally advanced or metastatic NSCLC not requiring immediate radiotherapy were enrolled into this randomized multicentre trial comparing gemcitabine + BSC vs BSC alone. Patients allocated gemcitabine received 1000 mg/m2 on days 1, 8 and 15 of a 28-day cycle, for a maximum of six cycles. The main aim of this trial was to compare patient assessment of a predefined subset of commonly reported symptoms (SS14) from the EORTC QLQ-C30 and LC13 scales. The primary end-points were defined as (1) the percentage change in mean SS14 score between baseline and 2 months and (2) the proportion of patients with a marked (> or = 25%) improvement in SS14 score between baseline and 2 months sustained for > or =4 weeks. The secondary objectives were to compare treatments with respect to overall survival, and multidimensional QL parameters. The treatment groups were balanced with regard to age, gender, Karnofsky performance status (KPS) and disease stage (40% had metastatic disease). The percentage change in mean SS14 score from baseline to 2 months was a 10% decrease (i.e. improvement) for gemcitabine plus BSC and a 1% increase (i.e. deterioration) for BSC alone (P = 0.113, two-sample t-test). A sustained (> or = 4 weeks) improvement (> or =25%) on SS14 was recorded in a significantly higher proportion of gemcitabine + BSC patients (22%) than in BSC alone patients (9%) (P = 0.0014, Pearson's chi-squared test). The QLQ-C30 and L13 subscales showed greater improvement in the gemcitabine plus BSC arm (in 11 domains) than in the BSC arm (one symptom item). There was greater deterioration in the BSC alone arm (six domains/items) than in the gemcitabine + BSC arm (three QL domains). Tumour response occurred in 19% (95% CI 13-27) of gemcitabine patients. There was no difference in overall survival: median 5.7 months (95% CI 4.6-7.6) for gemcitabine + BSC patients and 5.9 months (95% CI 5.0-7.9) (log-rank, P = 0.84) for BSC patients, and 1 -year survival was 25% for gemcitabine + BSC and 22% for BSC. Overall, 74 (49%) gemcitabine + BSC patients and 119 (79%) BSC patients received palliative radiotherapy. The median time to radiotherapy was 29 weeks for gemcitabine + BSC patients and 3.8 weeks for BSC. Patients treated with gemcitabine + BSC reported better QL and reduced disease-related symptoms compared with those receiving BSC alone. These improvements in patient-assessed QL were significant in magnitude and were sustained.

Adult↗
PubMed1979

The intravenous urodynamogram.

Modifications to the intravenous urogram are described. It is suggested that the time has come to rationalise the standard procedure. If an evaluation of the lower urinary tract is required, the voiding films may be modified to provide an intranvenous urodynamogram. If an evaluation of the upper urinary tract is directed at a specific question, then the number of spot-films can often be reduced.

Adult↗
PubMed2004

Chemotherapy for patients with non-small cell lung cancer: the surgical setting of the Big Lung Trial.

OBJECTIVES: The non-small cell lung cancer (NSCLC) meta-analysis suggested a survival benefit for cisplatin-based chemotherapy when given in addition to surgery, radical radiotherapy or 'best supportive care'. However, it included many small trials and trials with differing eligibility criteria and chemotherapy regimens. The aim of the Big Lung Trial was therefore to run a large pragmatic trial to confirm the survival benefits seen in the meta-analysis. METHODS: In the surgery setting, a total of 381 patients were randomised to chemotherapy (C, 192 patients) or no chemotherapy (NoC, 189 patients). C was three 3-weekly cycles of cisplatin/vindesine, mitomycin/ifosfamide/cisplatin, mitomycin/vinblastine/cisplatin or vinorelbine/cisplatin. RESULTS: Chemotherapy was given before surgery in 3% of patients whilst 97% received adjuvant chemotherapy. Baseline characteristics were: median age 61 years, 69% male, 48% squamous cell, 93% WHO PS 0-1, 27% stage I, 38% stage II, and 34% stage III. Complete resection was achieved in approximately 95% of patients. In the C group, 13% received no chemotherapy, 21% one or two cycles, and 64% all three cycles of their prescribed chemotherapy (60% of the latter with no delays or modification). 30% had grade 3/4 toxicity, mainly haematological, nausea/vomiting and neutropenic fever, and six patients were reported as having a treatment-related death. 198 (52%) of patients have died, but there is currently no evidence of a benefit in overall survival to the C group: HR 1.02 (95% CI 0.77-1.35), P = 0.90). CONCLUSIONS: This trial has failed to observe a survival benefit with adjuvant chemotherapy following complete resection of stage I-III NSCLC. However, the hazard ratio and 95% confidence intervals are consistent with the previously reported meta-analysis and two large recently reported trials, which suggest a small survival benefit with cisplatin-based chemotherapy.

Aged↗