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The Gut and Sleep. Sleep Med 2015. [DOI: 10.1007/978-1-4939-2089-1_51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mathias JR, Clench MH. Alterations of small intestine motility by bacteria and their enterotoxins. Compr Physiol 2011. [DOI: 10.1002/cphy.cp060131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Biao H, Guozheng Y, Peng Z. Multi-sensor radiotelemetry system for intestinal motility measurement. J Med Eng Technol 2009; 33:66-71. [DOI: 10.1080/03091900701775624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Wang WX, Yan GZ, Sun F, Jiang PP, Zhang WQ, Zhang GF. A non-invasive method for gastrointestinal parameter monitoring. World J Gastroenterol 2005; 11:521-4. [PMID: 15641138 PMCID: PMC4250803 DOI: 10.3748/wjg.v11.i4.521] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To propose a new, non-invasive method for monitoring 24-h pressure, temperature and pH value in gastrointestinal tract.
METHODS: The authors developed a miniature, multi-functional gastrointestinal monitoring system, which comprises a set of indigestible biotelemetry capsules and a data recorder. The capsule, after ingested by patients, could measure pressure, temperature and pH value in the gastrointestinal tract and transmit the data to the data recorder outside the body through a 434 MHz radio frequency data link. After the capsule passed out from the body, the data saved in the recorder were downloaded to a workstation via a special software for further analysis and comparison.
RESULTS: Clinical experiments showed that the biotelemetry capsules could be swallowed by volunteers without any difficulties. The data recorder could receive the radio frequency signals transmitted by the biotelemetry in the body. The biotelemetry capsule could pass out from the body without difficulties. No discomfort was reported by any volunteer during the experiment. In vivo pressure and temperature data were acquired.
CONCLUSION: A non-invasive method for monitoring 24-h gastrointestinal parameters was proposed and tested by the authors. The feasibility and functionality of this method are verified by laboratory tests and clinical experiments.
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Affiliation(s)
- Wen-Xing Wang
- Institute of Precision Engineering and Intelligent Microsystem, Shanghai Jiaotong University, Shanghai 200030, China
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Moore FA, Cocanour CS, McKinley BA, Kozar RA, DeSoignie RC, Von-Maszewski ME, Weisbrodt NW. Migrating motility complexes persist after severe traumatic shock in patients who tolerate enteral nutrition. THE JOURNAL OF TRAUMA 2001; 51:1075-82. [PMID: 11740256 DOI: 10.1097/00005373-200112000-00010] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Postinjury small bowel ileus is poorly characterized and may be an important factor in intolerance to enteral nutrition (EN). We, therefore, placed jejunal manometry catheters in high-risk trauma patients. Our hypothesis was that the presence of "fasting migrating motility complex (MMC)" activity and conversion to a "fed pattern" at goal rate of EN would be present in those patients who tolerate jejunal feeding. METHODS After obtaining baseline fasting manometry pressure tracings, jejunal feeding was advanced stepwise to a set goal while tolerance was monitored and intolerance was treated by a standard approach. RESULTS Of the 10 study patients, 7 were able to be maintained on EN. Five (50%) had "fasting MMCs" and had good tolerance to early advancement of EN. The remaining five patients did not exhibit "fasting MMCs" and four had poor tolerance to early advancement of EN. Overall, nine patients reached goal rate of EN of which four converted to a "fed pattern." This, however, was not associated with later tolerance to EN. CONCLUSION EN is feasible following severe traumatic shock. Surprisingly, half of the patients had fasting MMCs. This requires intact neural and motor function and was associated with good tolerance of early EN.
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Affiliation(s)
- F A Moore
- Department of Surgery, University of Texas-Houston Medical School, Houston, Texas 77020, USA.
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Abstract
Fecal incontinence is a disabling and distressing condition. Many patients are reluctant to discuss the condition with a physician. A thorough history, good physical examination, and detailed anorectal physiologic investigations can help in the therapeutic decision-making algorithm. Patients with isolated anterior sphincter defects are candidates for overlapping repair. In the presence of unilateral or bilateral pudendal neuropathy, the patient should be counseled preoperatively regarding a [table: see text] lower anticipation of success. If the injury occurred shortly before the planned surgery and neuropathy is present, it may be prudent to wait because neuropathy sometimes can resolve within 6 to 24 months of the injury. Pudendal nerve study may help determine surgical timing. An anterior sphincter defect combined with a rectovaginal fistula can be approached by overlapping sphincter repair and a concomitant transanal advancement flap. Patients who had undergone multiple such procedures may benefit from concomitant fecal diversion at the time of repeat sphincter repair. Patients with global or multifocal sphincter injury may be candidates for a neosphincter procedure. The stimulated graciloplasty and artificial bowel sphincter are reasonable options. In the absence of the availability of these techniques or because of financial constraints, consideration could be given to bilateral gluteoplasty or unilateral or bilateral nonstimulated graciloplasty. The postanal repair still serves a role in patients with isolated decreased resting pressures with or without neuropathy or external sphincter injury with minimal degrees of incontinence. Biofeedback and the Procon device may play a role in these patients. Lastly, fecal diversion must be considered as a means of improving the quality of life because the patient can participate in the activities of daily living without the fear of fecal incontinence.
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Affiliation(s)
- N A Rotholtz
- Department of Colorectal Surgery, Cleveland Clinic Florida, Fort Lauderdale, Florida, USA
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Camilleri M, Hasler WL, Parkman HP, Quigley EM, Soffer E. Measurement of gastrointestinal motility in the GI laboratory. Gastroenterology 1998; 115:747-62. [PMID: 9721173 DOI: 10.1016/s0016-5085(98)70155-6] [Citation(s) in RCA: 190] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Current tests of gastric and small intestinal motor function provide relevant physiological information, but their clinical utility is controversial. This article reviews the current procedures, indications, significance, pitfalls, and guidelines for gastrointestinal motility measurements by scintigraphy, gastroduodenojejunal manometry, and surface electrogastrography in humans. Methods included review of literature and discussions in closed and open fora among investigators, including presentations for peer review at focused (Iowa City American Motility Society Symposium, December 1995) and national meetings (American Gastroenterological Association, May 1996, and American Motility Society, September 1996). The current tests are generally complementary; scintigraphy is typically the first test in the evaluation of gastric motor function and often confirms the clinical suspicion of dysmotility. Manometry identifies patterns suggestive of myopathy, neuropathy, or obstruction but may be most helpful when it shows entirely normal findings, because manometry helps in part to exclude dysmotility as a cause of symptoms. Electrogastrography may identify dysrhythmias or failure of signal power to increase postprandially; rhythm abnormalities may be independent of impaired emptying among dyspeptic patients. The best validated and clinically most significant results pertain to transit tests; manometry may contribute importantly to the diagnostic process; and the significance of electrogastrography remains to be fully elucidated.
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Mathias JR, Franklin R, Quast DC, Fraga N, Loftin CA, Yates L, Harrison V. Relation of endometriosis and neuromuscular disease of the gastrointestinal tract: new insights. Fertil Steril 1998; 70:81-8. [PMID: 9660426 DOI: 10.1016/s0015-0282(98)00096-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To investigate the neuromuscular activity of the gastrointestinal tract by antroduodenal manometry in women with endometriosis documented by laparoscopy, to assess the effects of diet and drug therapy on symptoms, and to assess the bacterial overgrowth that is commonly associated with these nerve diseases. DESIGN Prospective, open-label study. SETTING A clinical center for the care of women's health. PATIENT(S) Fifty women with endometriosis documented by laparoscopy and gastrointestinal tract symptoms characterized by chronic abdominal pain, nausea, vomiting, early satiety, bloating and distention, and altered bowel habits. INTERVENTION(S) Motility of the gastrointestinal tract was recorded and bacterial overgrowth was assessed. Treatment consisted of dietary changes, including reduction of glycemic carbohydrates, balancing with omega 9 oils, elimination of foods with caffeine and tyramine, and addition of omega 3 fatty acids, as well as drug therapy with clonazepam (0.25 mg 3 times per day). RESULT(S) All 50 women showed a characteristic motility change (ampulla of Vater-duodenal wall spasm, a seizure equivalent of the enteric nervous system). Forty of the women showed bacterial overgrowth. There was a significant reduction in the total symptom score after 8 weeks of treatment. CONCLUSION(S) This study suggests that endometriosis and gastrointestinal tract symptoms are a result of the dysfunction of hollow organs. Correction of the biochemical imbalance of the eicosanoid system and the hypersecretion of insulin that results from excessive intake of glycemic carbohydrates and lack of essential fatty acids significantly decreases symptoms in patients with endometriosis and associated neuromuscular disease of the gastrointestinal tract.
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Affiliation(s)
- J R Mathias
- Woman's Hospital of Texas, Houston 77054, USA
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Samsom M, Smout AJ, Hebbard G, Fraser R, Omari T, Horowitz M, Dent J. A novel portable perfused manometric system for recording of small intestinal motility. Neurogastroenterol Motil 1998; 10:139-48. [PMID: 9614672 DOI: 10.1046/j.1365-2982.1998.00093.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The development of solid-state catheters with miniature pressure transducers and portable dataloggers with a large memory capacity has allowed recording of gastrointestinal motility in ambulant subjects. Developments in silicone rubber extrusion technology made it possible to build a perfused manometric system, using a perfused manometric assembly requiring a low volume of perfusate. In the present study the feasibility of recording and automated analysis of small intestinal motility using a perfused multiple lumen manometric system was evaluated in seven healthy volunteers. Pressures were recorded from 12 sideholes arranged in four clusters spaced at 10-cm intervals from the catheter tip. Each channel was perfused at 0.15 mL min-1 with degassed water by a portable, low-compliance, perfusion pump. The 12 sidehole recording channels were connected to external transducers mounted on a belt. Pressure data were stored in two dataloggers. Motility was recorded in the sitting (30 min), and supine (30 min) position, during walking (30 min) and postprandially (90 min). Using purpose-built software baseline variations were corrected for and manometric variables (number of pressure waves, mean amplitude and motility index) calculated. Bench testing of the manometric assembly showed a median baseline pressure offset of 4.2 kPa (range 3.7-10.1) and upon occlusion a rise rate of 27.8 kPa sec-1 (range 19.7-30.8). Changes in body position affected baseline pressures so that compared to the supine position changes in baseline pressure varied between 1.5 +/- 0.7 kPa and 1.9 +/- 0.6 kPa during sitting (P < 0.02), and between 1.7 +/- 0.7 kPa and 1.5 +/- 0.9 kPa during walking (P < 0.03). Manometric recordings obtained during the fasting period showed an increase in small intestinal motor activity during walking. In the postprandial period no differences in motility variables were observed within one cluster and in time. Recording of small intestinal motility with a multiple-channel silicone rubber manometric assembly with a portable perfusion system is a feasible technique which is relatively inexpensive. Computer-assisted data processing allows for adequate elimination of artefacts and automated numerical analysis.
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Affiliation(s)
- M Samsom
- Gastrointestinal Motility Unit, University Hospital Utrecht, The Netherlands
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Abstract
The study of small bowel motility in humans is commonly done by one of two techniques: short-term recording in a stationary patient or long-term recording in an ambulatory patient. To compare the diagnostic yield of short- and long-term manometric studies of small intestinal motility, we reviewed all prolonged records performed in our center over the years. Long-term studies that included less than 6 hr of recording during fasting or less than 5 hr during sleep and short-term studies using the perfused tube technique were excluded, leaving 91/121 tracings suitable for review. We analyzed the first 3 hr of the fasting period and the first 2 hr of the postprandial period on one occasion and the whole tracing on another; the fasting, postprandial and sleep period were analyzed separately. This allowed us to compare short and long recording sessions in the same patient. The two analyses agreed in 81/91 of the cases. In 7/10 patients a study was diagnosed as abnormal in the short recording but was considered normal after review of the long recording, while the opposite occurred in the remaining three. Periods of sleep and fasting contributed similarly to the change in diagnosis. In another 6 patients with equivocal abnormalities during the short period, the long period helped to establish the diagnosis of normality with confidence. Most of the improvement in the long-term study came from extension of the studies during fasting to 6-7 hr from 3 hr. Long-term records of small bowel motility, including study during sleep enhance the diagnostic accuracy of the test. Accuracy can be improved also simply by prolonging the recording during fasting.
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Affiliation(s)
- E E Soffer
- Department of Medicine, University of Iowa College of Medicine, Iowa City 52242, USA
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Soffer E, Thongsawat S. Clinical value of duodenojejunal manometry. Its usefulness in diagnosis and management of patients with gastrointestinal symptoms. Dig Dis Sci 1996; 41:859-63. [PMID: 8625755 DOI: 10.1007/bf02091523] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The records of all patients who had duodenojejunal manometry (DJM) from 1989 to 1995 were retrospectively reviewed. We evaluated the main symptoms of the patients, the indication for the study, its result, and the impact on therapy and management. One hundred sixteen patients out of 154 were included in the study, of whom 96 were women and 20 were men, with a mean age of 41.2 years. Twenty-five had perfused tube studies, and 91 had prolonged ambulatory recordings. Forty-one patients were referred for evaluation of abdominal pain, 34 for chronic constipation, 24 for nausea and vomiting, 8 for pseudoobstruction, and the remaining 9 for other reasons. All patients had appropriate endoscopic, radiographic, or scintigraphic studies prior to manometry. Forty-seven (40.5%) had abnormal manometry: 20 of 41 (48.8%) for abdominal pain, 7 of 34 (20.6%) for chronic constipation, 10 of 24 (41.7%) for nausea and vomiting, 5 of 8 (62.5%) for pseudoobstruction, and 5 of 9 (55.6%) for the miscellaneous group. The various subgroups did not have specific patterns of motor abnormalities. In 22 patients (18.9%) manometry helped in the choice of therapy: in 15 patients by affecting surgical approach, particularly in the constipation group, and in 7 patients by affecting feeding options and prokinetic agents. Detection of motor abnormalities was helpful in patients with severe symptoms thought to have functional disease even when no specific therapy was rendered. Thus, DJM was abnormal in 2/5 patients referred for evaluation of suspected motility disorders. It directly affected therapy in approximately 1/5 patients, particularly in those with constipation. It is helpful in the management of patients even when specific therapy is not rendered, particularly in those with abdominal pain. The modest impact on specific therapy is related to limited availability of effective prokinetic drugs and the limited specificity and predictive value of tests results.
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Affiliation(s)
- E Soffer
- Department of Internal Medicine, University of Iowa College of Medicine, Iowa City, USA
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Koussayer T, Ducker TE, Clench MH, Mathias JR. Ampulla of Vater/duodenal wall spasm diagnosed by antroduodenal manometry. Dig Dis Sci 1995; 40:1710-9. [PMID: 7648970 DOI: 10.1007/bf02212692] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Patients with chronic epigastric to right upper quadrant pain are often considered to have gallbladder of sphincter of Oddi dysfunction, but standard tests are nondiagnostic. In 62 consecutive patients with this compliant undergoing antroduodenal manometry, we correlated a change on duodenal motility with spasm of the ampulla of Vater/duodenal wall. This distinctive motility pattern occurred and was analyzed in 35% of patients. It is characterized by increased duodenal wall tone with phasic contractions of 19-22 or 41-44 contractions/min or by phasic activity alone. The subjects with spasm also underwent cholecystokinin cholescintigraphy, and 50% showed either significantly delayed gallbladder emptying of hilum to small intestine emptying, or both. The disorder appears to be secondary to a loss of neural inhibitory control and a dysfunctional small-bowel pacemaker. Antroduodenal manometry is an essential diagnostic procedure that complements sphincter of Oddi manometry in evaluation of unexplained right upper quadrant pain.
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Affiliation(s)
- T Koussayer
- Department of Internal Medicine, University of Texas Medical Branch, Galveston 77555-0764, USA
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Widmer R, Schmidt T, Pfeiffer A, Kaess H. Computerized analysis of ambulatory long-term small-bowel manometry. Scand J Gastroenterol 1994; 29:1076-82. [PMID: 7886395 DOI: 10.3109/00365529409094891] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Ambulatory long-term manometry is increasingly being used to study small-bowel motility. This study aimed to develop computer-aided data analysis including the elimination of artefacts, identification of individual phasic contractions, and analysis of aboral propagation. METHODS Data processing included low-pass filtering, base-line adaptation, cross-comparison of channels, and application of threshold values for contraction parameters. Automated analysis was validated by a visual reference standard. RESULTS Artefacts were related to cardiovascular and respiratory activity, changes in body posture, and contractions of the abdominal wall. Automated recognition of contractions reached a sensitivity of 92% and a positive predictive value of 88% compared with the visual standard. Mean contraction amplitude and duration of computer analysis were 96% and 93%, respectively, of the visually obtained values. Propagation analysis under ambulatory conditions showed good agreement with previous results by stationary recordings. CONCLUSIONS Computerized analysis provided valid and reproducible data on small-bowel phasic contractile events and propagative activity by digital long-term manometry.
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Affiliation(s)
- R Widmer
- 2nd Medical Dept., Städtisches Krankenhaus München-Bogenhausen, Munich, Germany
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Mathias JR, Clench MH, Reeves-Darby VG, Fox LM, Hsu PH, Roberts PH, Smith LL, Stiglich NJ. Effect of leuprolide acetate in patients with moderate to severe functional bowel disease. Double-blind, placebo-controlled study. Dig Dis Sci 1994; 39:1155-62. [PMID: 8200247 DOI: 10.1007/bf02093778] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Moderate to severe functional bowel disease results in debilitating abdominal pain, nausea, intermittent vomiting, early satiety, bloating, abdominal distension, and/or altered bowel habits. Because it occurs approximately 20-30 times more frequently in women than in men and its symptoms often coincide with the menstrual cycle, we hypothesized that reproductive steroids may antagonize diseased nerves of the gastrointestinal tract, enhancing the expression of symptoms. No effective or consistent therapy has existed for these patients. We prospectively investigated the effect of a gonadotropin-releasing hormone analog, leuprolide acetate, in 30 women with symptoms of moderate to severe functional bowel disease. The study was phase II, randomized, double blind, and placebo controlled. Lupron Depot 3.75 mg (which delivers a continuous low dose of drug for one month) or placebo were given intramuscularly monthly for three months. Symptom scores were assessed at each four-week visit. Follicle-stimulating hormone, luteinizing hormone, estradiol, and progesterone levels were assessed before and after therapy. Patients treated with low-dose leuprolide improved progressively and significantly in scores for nausea, vomiting, bloating, abdominal pain, and early satiety, and for overall symptoms (P < 0.01-0.05). All hormone levels decreased significantly (P < 0.05) except luteinizing hormone (P = 0.054).
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Affiliation(s)
- J R Mathias
- Department of Internal Medicine, University of Texas Medical Branch, Galveston 77555-0764
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Schmidt T, Widmer R, Pfeiffer A, Kaess H. Effect of the quaternary ammonium compound trospium chloride on 24 hour jejunal motility in healthy subjects. Gut 1994; 35:27-33. [PMID: 8307445 PMCID: PMC1374627 DOI: 10.1136/gut.35.1.27] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
This study aimed to record 24 hour jejunal motility in healthy ambulant subjects and to analyse changes in motility caused by the oral administration of an anticholinergic agent, the quaternary ammonium compound, trospium chloride. In a placebo-controlled, double blind crossover trial, 24 hour jejunal motility was recorded in 12 healthy volunteers, aged 25 (21-30) years, using a digital data logger connected to two strain-gauge transducers mounted 20 cm apart in a flexible nasojejunal catheter. A computer program was developed to determine contraction parameters. Trospium chloride (15 mg orally thrice daily) prolonged the duration of irregular contractile activity after meals (p < 0.02) and reduced its contraction frequency and amplitude (p < 0.001). In the fasting state, the cycle length of the migrating motor complex was prolonged (p < 0.01) by an extended phase I (p < 0.025). Phase III was shortened (p < 0.005) and showed a slower aboral migration velocity (p < 0.005). Clustered contractions were less frequent during postprandial and fasting periods (p < 0.01). Runs of clustered contractions were completely absent with trospium chloride. Digital manometry was useful for long term recordings of jejunal motility and enabled the motor effects of an anticholinergic agent to be characterised in ambulant subjects.
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Affiliation(s)
- T Schmidt
- Department of Gastroenterology and Hepatology, Krankenhaus München-Bogenhausen, Munich, Germany
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Mathias JR, Baskin GS, Reeves-Darby VG, Clench MH, Smith LL, Calhoon JH. Chronic intestinal pseudoobstruction in a patient with heart-lung transplant. Therapeutic effect of leuprolide acetate. Dig Dis Sci 1992; 37:1761-8. [PMID: 1330462 DOI: 10.1007/bf01299872] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
After orthotopic heart-lung transplantation and immunosuppression, a patient developed intractable nausea and vomiting in association with chronic cytomegalovirus infection. Chronic intestinal pseudoobstruction was documented by antroduodenal manometric study. The patient was treated with leuprolide acetate with resolution of symptoms and improvement of intestinal motility abnormality. This case demonstrates an association of chronic viral infection with acquired intestinal motor disorders. Gastrointestinal complications that are common after organ transplantation might be due to acquired neuromuscular disease. The potential efficacy of leuprolide in such neuromuscular disorders provides a rationale for diagnostic motility studies in patients with "functional" gastrointestinal disorders.
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Affiliation(s)
- J R Mathias
- Department of Internal Medicine, University of Texas Medical Branch, Galveston 77550-2780
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Mathias JR, Khanna R, Nealon WH, Browne RM, Reeves-Darby VG, Clench MH. Roux-limb motility after total gastrectomy and Roux-en-Y anastomosis in patients with Zollinger-Ellison syndrome. Dig Dis Sci 1992; 37:545-50. [PMID: 1551344 DOI: 10.1007/bf01307578] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The Roux-en-Y syndrome was defined as chronic nausea, intermittent vomiting, and chronic abdominal pain worsened by eating in patients who have undergone a gastrojejunostomy Roux-en-Y reconstruction for peptic ulcer. When these patients fasted, the Roux limb showed striking abnormalities in motor function; when postprandial, they failed to convert to normal fed-state motor activity. In contrast, patients with Zollinger-Ellison syndrome do well after similar surgery; they can eat most foods and maintain their body weight. We studied the motility of the Roux limb and jejunum in six patients with Zollinger-Ellison after an esophagojejunostomy Roux-en-Y anastomosis. Roux-limb motor activity in these patients, as characterized by the migrating motor complex, was more frequent, well organized, and in synchrony with the remaining jejunum; most subjects also converted to the fed state after a liquid meal. We suggest that the enteric nervous system is intact and functions normally in patients who have had a Roux-en-Y reconstruction for ulcer disease secondary to Zollinger-Ellison, but not in patients with idiopathic peptic ulcer disease.
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Affiliation(s)
- J R Mathias
- Department of Internal Medicine, University of Texas Medical Branch, Galveston 77550
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Affiliation(s)
- E M Quigley
- University of Nebraska Medical Center, Department of Internal Medicine, Omaha 68198-2000
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Davis RH, Clench MH, Mathias JR. Effects of domperidone in patients with chronic unexplained upper gastrointestinal symptoms: a double-blind, placebo-controlled study. Dig Dis Sci 1988; 33:1505-11. [PMID: 3058442 DOI: 10.1007/bf01535938] [Citation(s) in RCA: 70] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The effects of domperidone, a peripherally acting dopamine antagonist, were compared with those of placebo in a double-blind randomized study in 16 patients with idiopathic gastric stasis, chronic symptoms of "nonulcer dyspepsia" (including nausea, vomiting, and abdominal pain), and altered gastroduodenal motility. Patients received either domperidone or placebo orally (20 mg before meals and at bedtime) for six weeks. Symptoms were assessed by daily diaries kept by the patients for two weeks while receiving no medication for their gastrointestinal complaints (baseline), and throughout the six-week treatment phase. Studies of gastric emptying of a radiolabeled solid-phase meal were performed at baseline and six weeks after treatment. All patients had delayed gastric emptying at baseline, defined as a half-emptying time of more than mean + 1 SD (from studies of normal controls). An 18- to 24-hr recording of gastroduodenal motor function during fasting was also performed at baseline and after six weeks of either domperidone or placebo treatment. After six weeks of treatment, the symptom scores significantly improved in the domperidone group (P less than 0.05), but not in the placebo group. Gastroduodenal motor activity was unchanged from baseline recordings after six weeks. Solid-phase gastric emptying also showed no improvement in either the domperidone or placebo group of patients. Although domperidone therapy had no significant effect on motility, it appears to be an effective drug for the treatment of the symptoms of nonulcer dyspepsia.
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Affiliation(s)
- R H Davis
- Department of Medicine, College of Medicine, University of Florida, Gainesville
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Piñeiro-Carrero VM, Andres JM, Davis RH, Mathias JR. Abnormal gastroduodenal motility in children and adolescents with recurrent functional abdominal pain. J Pediatr 1988; 113:820-5. [PMID: 3183834 DOI: 10.1016/s0022-3476(88)80007-6] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
To determine whether motor activity of the stomach and proximal small intestine is a factor in recurrent abdominal pain in adolescents, we prospectively investigated eight patients with recurrent abdominal pain and compared them with seven normal adolescents. All patients underwent a detailed examination to exclude other known organic causes of the pain. The gastroduodenal motor activity during fasting was studied with a semiconductor recording probe. The recordings were analyzed for periodicity, duration, and propagation velocity of the activity front of the migrating motor complex. The amplitude of the antral and duodenal contractions was also determined. The patients with recurrent abdominal pain had more frequent migrating motor complexes, but these were shorter in duration and moved more slowly down the intestine (slower propagation velocities). The patients also had high-pressure duodenal contractions that were associated with abdominal pain during the study period. These studies suggest that altered intestinal motility may be the underlying mechanism of recurrent abdominal pain in some children.
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Affiliation(s)
- V M Piñeiro-Carrero
- Department of Pediatrics, Wilford Hall United States Air Force Medical Center, Lackland Air Force Base, Texas
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