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Affiliation(s)
- J Iqbal
- Blackpool Victoria Hospital, Blackpool, UK.
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Ladas SD, Novis B, Triantafyllou K, Schoefl R, Rokkas T, Stanciu C, Isaacs P, Willich SN, Ronn O, Dremel H, Livadas G, Egan BJ, Boyacioglu S, Selimovic A, Pulanic R, Karagiannis JA, Van Vooren JP, Kouroumalis E, O'Morain C, Nowak A, Deviere J, Malfertheiner P, Axon A. Ethical issues in endoscopy: patient satisfaction, safety in elderly patients, palliation, and relations with industry. Second European Symposium on Ethics in Gastroenterology and Digestive Endoscopy, Kos, Greece, July 2006. Endoscopy 2007; 39:556-65. [PMID: 17554655 DOI: 10.1055/s-2007-966534] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S D Ladas
- European Society of Gastroenterology, Munich, Germany.
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Affiliation(s)
- G Singh
- Blackpool Victoria Hospital, Whinney Heys Road, Blackpool FY3 8NR, UK.
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Stanciu C, Novis B, Ladas S, Sommerville A, Zabovowski P, Isaacs P, Papatheodoridis G, James T. Recommendations of the ESGE workshop on Informed Consent for Digestive Endoscopy. First European Symposium on Ethics in Gastroenterology and Digestive Endoscopy, Kos, Greece, June 2003. Endoscopy 2003; 35:772-4. [PMID: 12929028 DOI: 10.1055/s-2003-41590] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- C Stanciu
- Gastroenterology Department, Meir Hospital, 44281 Kfar Sava, Israel.
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Rapport MD, Chung KM, Shore G, Isaacs P. A conceptual model of child psychopathology: implications for understanding attention deficit hyperactivity disorder and treatment efficacy. J Clin Child Psychol 2001; 30:48-58. [PMID: 11294077 DOI: 10.1207/s15374424jccp3001_6] [Citation(s) in RCA: 112] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Highlights the desirability of using a theoretical framework for guiding the design and evaluation of therapeutic interventions for children with attention deficit hyperactivity disorder (ADHD). A general conceptual model is introduced and used to evaluate ADHD treatment outcome research. Treatments designed to target the substrate level (pharmacological interventions) result in broad, robust improvement in both core and peripheral areas of functioning. Those targeting hypothesized core features of the disorder (i.e., attention, impulsivity-hyperactivity) produce corresponding improvement in core and peripheral outcome measures with the exception of studies employing cognitive-behavior therapy. Those targeting peripheral features of the disorder effect change only in corresponding peripheral areas of functioning. Implications for clinical practice are discussed, and an alternative conceptual model of ADHD is introduced and compared with existing models.
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Affiliation(s)
- M D Rapport
- University of Central Florida, Department of Psychology, P.O. Box 161390, Orlando, FL 32816-1390, USA
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Lewin JM, Isaacs P, Vanoyan A. Self-cannulation for ductography of the breast. AJR Am J Roentgenol 2001; 176:420. [PMID: 11159085 DOI: 10.2214/ajr.176.2.1760420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- J M Lewin
- Department of Radiology, Campus Box E030, University of Colorado Health Sciences Center, 4200 E. Ninth Ave., Denver, CO 80262, USA
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Rapport MD, Chung KM, Shore G, Denney CB, Isaacs P. Upgrading the science and technology of assessment and diagnosis: laboratory and clinic-based assessment of children with ADHD. J Clin Child Psychol 2000; 29:555-68. [PMID: 11126633 DOI: 10.1207/s15374424jccp2904_8] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Reviews the usefulness of clinic-based and laboratory-based instruments and paradigms for diagnosing attention deficit hyperactivity disorder (ADHD) and monitoring treatment effects. Extant literature examining the performance of normal children and those with ADHD on an extensive range of neurocognitive tests, tasks, and experimental paradigms indicates that particular types of instruments may be more reliable than others with respect to detecting between-group differences. We review task parameters that may distinguish the more reliable from less reliable instruments. The value of clinic-based and laboratory-based instruments for monitoring treatment response in children with ADHD is questionable when evaluated in the context of ecologically relevant variables such as classroom behavior and academic functioning. We present a general conceptual model to highlight conceptual issues relevant to designing clinic-based and laboratory-based instruments for the purposes of diagnosing and monitoring treatment effects in children with ADHD. Application of the model to currently conceptualized core variables indicates that attention and impulsivity-hyperactivity may represent correlative rather than core features of the disorder. We discuss implications of these findings for designing the next generation of clinic-based and laboratory-based instruments.
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Affiliation(s)
- M D Rapport
- Department of Psychology, University of Central Florida, P.O. Box 161390, Orlando, FL 32816-1390, USA
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Affiliation(s)
- K D Paraskeva
- Department of Gastroenterology, Victoria Hospital, Blackpool, Lancashire, United Kingdom
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Abstract
A case is presented of caecal tuberculosis coexisting with adenocarcinoma at the same site, unusually presenting as a right iliac fossa abscess. The relevant literature on 61 previously reported patients with coexisting tuberculosis and colonic carcinoma is reviewed. The patient was 81-years-old, female with a tender swelling in the right iliac fossa. Following examination by ultrasound, laparotomy was undertaken which revealed a large abscess cavity contaminated by Mycobacterium tuberculosis. Although anti-tuberculosis treatment was given, there was a persistent purulent discharge from the wound, so a new ultrasound, computed tomography scan and barium enema were arranged. These could not clearly differentiate between ileocaecal tuberculosis and carcinoma. A second laparotomy showed that there was an underlying adenocarcinoma. Although rare, the coexistence of colonic tuberculosis with carcinoma should be seriously considered especially in patients who fail to respond to anti-tuberculosis treatment. A definitive diagnosis can be established only by histological examination.
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Affiliation(s)
- P Isaacs
- Department of Gastroenterology, Victoria Hospital, Blackpool, Lancashire, UK
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Rapport MD, Loo S, Isaacs P, Goya S, Denney C, Scanlan S. Methylphenidate and attentional training. Comparative effects on behavior and neurocognitive performance in twin girls with attention-deficit/hyperactivity disorder. Behav Modif 1996; 20:428-30. [PMID: 8875814 DOI: 10.1177/01454455960204004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The effectiveness of four doses (5-mg, 10-mg, 15-mg, 20-mg) of methylphenidate (MPH) and attentional training (AT) were evaluated using neurocognitive instruments (Continuous Performance Test; Matching Unfamiliar Figures Test), narrow- and broad-band rating scales in the context of a double-blind, placebo-control, within-subject reversal design for dizygotic twin girls with Attention-Deficit/Hyperactivity Disorder (ADHD). Both interventions proved effective for improving neurocognitive test performance and behavior, although broad-band ratings revealed dose-response curves different from those obtained from the neurocognitive tests. Implications for clinical management of girls with ADHD are discussed.
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Affiliation(s)
- M D Rapport
- Department of Psychology, University of Hawaii, Honolulu 96822, USA.
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Isaacs P. Misoprostol and NSAID ulcers. Am J Gastroenterol 1996; 91:187-8. [PMID: 8607480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Isaacs P. Combined therapy management for patients with thrombolytic thrombocytopenic purpura. ANNA J 1994; 21:196-7, 199. [PMID: 8080328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Bellary SV, Isaacs P. Toxic megacolon (TM) due to Salmonella. J Clin Gastroenterol 1990; 12:605-7. [PMID: 2230011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- S V Bellary
- Department of Gastroenterology, Victoria Hospital, Blackpool, Lancashire, England
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Isaacs P, MacGillivray N, Springett P. Late recurrence of breast cancer presenting with esophageal dysmotility. J Clin Gastroenterol 1989; 11:588-90. [PMID: 2794442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- P Isaacs
- Gastroenterology Unit, Victoria Hospital, Blackpool, U.K
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Abstract
One month after suffering blunt abdominal trauma a patient developed severe steatorrhea and profound weight loss in association with an ischemic distal jejunal stricture and blind loop syndrome. Evidence for a partial mesenteric tear was found at resection of the stricture, which resulted in complete cure.
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Rindi G, Bishop AE, Daly MJ, Isaacs P, Lee FI, Polak JM. A mixed pattern of endocrine cells in metaplastic Barrett's oesophagus. Evidence that the epithelium derives from a pluripotential stem cell. Histochemistry 1987; 87:377-83. [PMID: 2447038 DOI: 10.1007/bf00492593] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In order to characterize the differentiation of endocrine cells present in Barrett's oesophagus and to determine if they express a single or multiple hormonal pattern, endoscopic biopsies were taken from both the lesion and the fundus of 45 patients and studied at the light microscopical level. Conventional histology revealed three different epithelial patterns: gastric atrophic fundic, intestinal and junctional. A mixture of these patterns was present in 28 cases (62%) and the single type was identified in 17 cases (38%). The use of three silver staining methods and antibodies to human chromogranins allowed us to identify numerous endocrine cells in all but 1 case. Eleven sera against all the most common hormones stored in the endocrine cells of the gut were used to identify the main products of the cells. The following immunoreactivities were identified: 5-hydroxytryptamine (5-HT) (in 75% of the studied cases), somatostatin (87%), motilin (31%), pancreatic polypeptide (PP) (20%), glucose-dependent insulinotropic polypeptide (20%), gastrin (15%), glucagon (15%), peptide tyrosine tyrosine (13%), secretin (7%) and neurotensin (2%). No cholecystokinin-immunoreactive cells were identified. Our results indicated that, in Barrett's epithelium, both gastric and intestinal endocrine cells differentiate, in accordance with the variability of differentiation in the non-endocrine cells present in the different types of columnar epithelium. These findings provide support for the conclusion that Barrett's epithelium arises from a pluripotential stem cell capable of both gastric and intestinal differentiation.
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Affiliation(s)
- G Rindi
- Department of Histochemistry, Royal Postgraduate Medical School, Hammersmith Hospital, London, England
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Abstract
Acute alcoholic pancreatitis was undiagnosed in a patient with anorexia nervosa who subsequently developed pancreatic ascites and oedema, wrongly attributed to protein malnutrition alone. She became hyperphagic in an attempt to reverse the malnutrition and hence the abdominal swelling, indicating that the goal of attaining a thin shape was the major determinant of the eating disorder in this patient. Measurement of ascitic fluid amylase concentration should be carried out in all patients with unexplained ascites.
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Affiliation(s)
- P Isaacs
- Gastroenterology Unit, Guy's Hospital, London, UK
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Isaacs P, Pinder C, Jourdan M, Filipe I, Sladen G. Therapeutic aspiration of pseudocysts: a cautionary tale of the pancreas. Am J Gastroenterol 1986; 81:1087-90. [PMID: 3535489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Isaacs P, Jardine B. Gram staining in the rapid diagnosis of small bowel bacterial contamination. Med Lab Sci 1986; 43:386-7. [PMID: 2443786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Isaacs P, Skander MP. Recurrent ventricular tachycardia: adverse drug reactions. West J Med 1986. [DOI: 10.1136/bmj.292.6521.698-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Martins JC, Isaacs P, Fagg N, Sladen GE. [Gastro-esophageal reflux. Comparison between 2 technics: scan and continuous monitoring of pH]. ACTA MEDICA PORT 1985; 6:71-4. [PMID: 4003119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Abstract
Five trained ileostomates completed a marathon in a cool environment without ill effect. During the race, the ileostomy losses of sodium (1.0-2.7 mmol.h-1) and of water (9.2-19 ml.h-1) were small, but urinary excretion of sodium was very low (0.2-0.75 mmol.h-1) despite drinking a combination of water and glucose-electrolyte solution. The concentration of potassium in the ileostomy discharge tended to increase, also suggesting a sodium retaining state. Healthy ileostomates after suitable training are successful marathon runners, but the prevalence of mild salt depletion in ileostomates generally suggests that it may be advisable for them to take only glucose-electrolyte solutions when competing at any ambient temperature or when preparing for a marathon which is to take place in a warm environment.
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Keshavarzian A, Isaacs P, McColl I, Sladen GE. Idiopathic intestinal pseudo-obstruction and contaminated small bowel syndrome--treatment with metronidazole, ileostomy, and indomethacin. Am J Gastroenterol 1983; 78:562-5. [PMID: 6688501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A 28-year-old Iranian man with chronic idiopathic intestinal pseudo-obstruction presented with gross features of contaminated bowel syndrome. Treatment with metronidazole reversed steatorrhea but exacerbated the gaseous distention of the small intestine, precipitating emergency surgical decompression and ileostomy. A chronic high volume ileostomy diarrhea ensued and was successfully treated with oral indomethacin.
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Abstract
Differences in heart stability of human pancreatic ribonuclease (cRNase) and serum ribonuclease were abolished by aprotinin, suggesting that the pancreatic enzyme was similar to the serum enzyme, but was being destroyed by proteases. Serum ribonuclease levels in normal subjects correlated with age but were unaffected by meal ingestion. Serum ribonuclease was not found to be useful in the detection of pancreatic cancer and was more frequently abnormal in patients with other solid tumours or renal failure.
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Isaacs P, Turnberg LA. Proceedings: Ion transport characteristics of human jejunal and ileal mucosa in vitro. Gut 1974; 15:830-1. [PMID: 4434948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
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Isaacs P, Whittaker SM, Turnberg LA. Diarrhea associated with medullary carcinoma of the thyroid. Studies of intestinal function in a patient. Gastroenterology 1974; 67:521-6. [PMID: 4851364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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Isaacs P, Turnberg LA. Proceedings: A study of the electrical potential difference (PD) across human ileostomy mucosa. Gut 1974; 15:339. [PMID: 4834567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
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