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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Haemorrhoids : Aspects of Symptoms and Results after Surgery

Jóhannsson, Helgi Örn January 2005 (has links)
<p>One hundred haemorrhoid patients were compared with 300 matched control persons. Haemorrhoid symptoms and bowel symptoms were studied. Most common symptom of the patients was bleeding (44%), followed by prolapse (24%), hygiene problem (14%), pain (12%) and itching (5%). Bowel symptoms, as bloating and evacuation difficulties, possibly related to IBS, were frequent among the patients.</p><p>556 patients were operated upon with Milligan-Morgan haemorrhoidectomy. 418 (81%) answered a questionnaire on results, and on disturbances in anal continence. Totally140 (33%) reported recurrence, and 139 (33%) patients reported anal incontinence. Forty of the 139 patients associated this to the surgical procedure. Female gender was associated to increased risk of incontinence.</p><p>The 40 patients who reported incontinence, were invited to undergo ano-rectal manometry, saline infusion test, endo-anal ultrasound, proctoscopy and clinical examination. Altogether 19 patients approved to participate. Matched control subjects and 15 persons previously operated for haemorrhoids, but without symptoms of incontinence, served as two reference groups. Incontinence score and saline infusion test showed significantly poorer continence in the patient group. Endo-anal ultrasound showed injury to the external sphincter in 20% of the patients. Anal pressure was slightly lower in the patient group, but the difference was not significant. </p><p>Totally 225 patients were randomised to Milligan-Morgan or Ferguson haemorrhoidectomy. Primary aim was to study changes in anal continence. Other aims were to study postoperative pain, wound healing, complications, patient satisfaction and recurrence and changes in bowel function. Patients in the Ferguson group reported, slightly quicker wound healing (P=0.06). Postoperative pain was equal, as was rate of complications. After one year the Ferguson group reported lower incontinence score, and more satisfied patients. Recurrence rate was equal, 15-17%. Most bowel symptoms were reduced one year after surgery.</p><p>In conclusion, functional bowel symptoms are common in haemorrhoid patients. Haemorrhoidectomy is associated with risk for incontinence in 5-10% of patients and females are at greater risk. A proportion of the patients who claim postoperative incontinence have physiological signs of sphincter incompetence, and external sphincter injuries are observed in those patients. Ferguson haemorrhoidectomy results in better anal continence and more satisfied patients. </p>
2

Haemorrhoids : Aspects of Symptoms and Results after Surgery

Jóhannsson, Helgi Örn January 2005 (has links)
One hundred haemorrhoid patients were compared with 300 matched control persons. Haemorrhoid symptoms and bowel symptoms were studied. Most common symptom of the patients was bleeding (44%), followed by prolapse (24%), hygiene problem (14%), pain (12%) and itching (5%). Bowel symptoms, as bloating and evacuation difficulties, possibly related to IBS, were frequent among the patients. 556 patients were operated upon with Milligan-Morgan haemorrhoidectomy. 418 (81%) answered a questionnaire on results, and on disturbances in anal continence. Totally140 (33%) reported recurrence, and 139 (33%) patients reported anal incontinence. Forty of the 139 patients associated this to the surgical procedure. Female gender was associated to increased risk of incontinence. The 40 patients who reported incontinence, were invited to undergo ano-rectal manometry, saline infusion test, endo-anal ultrasound, proctoscopy and clinical examination. Altogether 19 patients approved to participate. Matched control subjects and 15 persons previously operated for haemorrhoids, but without symptoms of incontinence, served as two reference groups. Incontinence score and saline infusion test showed significantly poorer continence in the patient group. Endo-anal ultrasound showed injury to the external sphincter in 20% of the patients. Anal pressure was slightly lower in the patient group, but the difference was not significant. Totally 225 patients were randomised to Milligan-Morgan or Ferguson haemorrhoidectomy. Primary aim was to study changes in anal continence. Other aims were to study postoperative pain, wound healing, complications, patient satisfaction and recurrence and changes in bowel function. Patients in the Ferguson group reported, slightly quicker wound healing (P=0.06). Postoperative pain was equal, as was rate of complications. After one year the Ferguson group reported lower incontinence score, and more satisfied patients. Recurrence rate was equal, 15-17%. Most bowel symptoms were reduced one year after surgery. In conclusion, functional bowel symptoms are common in haemorrhoid patients. Haemorrhoidectomy is associated with risk for incontinence in 5-10% of patients and females are at greater risk. A proportion of the patients who claim postoperative incontinence have physiological signs of sphincter incompetence, and external sphincter injuries are observed in those patients. Ferguson haemorrhoidectomy results in better anal continence and more satisfied patients.
3

Slow Transit Constipation : Aspects of Diagnosis and Treatment

Lundin, Erik January 2005 (has links)
<p>Oral 111-Indium-DTPA colonic scintigraphy was used to assess segmental transit in 23 patients with slow transit constipation (STC) and 13 controls. The transit time did not differ between patients and controls in the right colon, whereas the patients had a consistent delay from the transverse colon and distally (<i>P</i><0.05–0.001). Two individual patients had a delay in the right colon.</p><p>Twenty-eight patients underwent a left- (n=26) or a right (n=2) hemicolectomy for STC, after evaluation including colonic scintigraphy. Twenty-three patients (80%) were satisfied with the outcome after a median of 50 months. The median stool frequency increased from one to seven per week (<i>P</i><0.001). The number of patients with bloating, excessive straining and painful defecation decreased (<i>P</i><0.05). The laxative use decreased (<i>P</i><0.01) and faecal continence was unchanged. A blunted rectal sensation correlated to a poor outcome.</p><p>Fifty constipated patients with slow colonic transit and 28 controls were investigated with anorectal manovolumetry. Anal resting pressure was lower (<i>P</i><0.05), and squeeze pressure tended to be lower (<i>P</i>=0.09) in patients. Rectal sensation was not different between groups, although ten patients had a threshold for filling sensation above the 95<sup>th</sup> percentile of controls. The rectal compliance was increased in patients (<i>P</i><0.05–0.01).</p><p>Total and segmental colonic transit was assessed with radio-opaque marker study and scintigraphy in 35 constipated patients, and related to normal values. Twenty-seven of 31 female patients had a prolonged total transit time on marker study, and 26 on scintigraphy. Of those 31 patients, 29 had prolonged segmental transit only in one or two segments on marker study. The two methods gave a similar result, except in the descending colon (<i>P</i><0.05). However, the results varied considerably for individual patients.</p><p>In conclusion, patients with STC often benefit from a segmental colonic resection, following assessment including scintigraphy. Anorectal physiology testing may predict surgical results.</p>
4

Slow Transit Constipation : Aspects of Diagnosis and Treatment

Lundin, Erik January 2005 (has links)
Oral 111-Indium-DTPA colonic scintigraphy was used to assess segmental transit in 23 patients with slow transit constipation (STC) and 13 controls. The transit time did not differ between patients and controls in the right colon, whereas the patients had a consistent delay from the transverse colon and distally (P&lt;0.05–0.001). Two individual patients had a delay in the right colon. Twenty-eight patients underwent a left- (n=26) or a right (n=2) hemicolectomy for STC, after evaluation including colonic scintigraphy. Twenty-three patients (80%) were satisfied with the outcome after a median of 50 months. The median stool frequency increased from one to seven per week (P&lt;0.001). The number of patients with bloating, excessive straining and painful defecation decreased (P&lt;0.05). The laxative use decreased (P&lt;0.01) and faecal continence was unchanged. A blunted rectal sensation correlated to a poor outcome. Fifty constipated patients with slow colonic transit and 28 controls were investigated with anorectal manovolumetry. Anal resting pressure was lower (P&lt;0.05), and squeeze pressure tended to be lower (P=0.09) in patients. Rectal sensation was not different between groups, although ten patients had a threshold for filling sensation above the 95th percentile of controls. The rectal compliance was increased in patients (P&lt;0.05–0.01). Total and segmental colonic transit was assessed with radio-opaque marker study and scintigraphy in 35 constipated patients, and related to normal values. Twenty-seven of 31 female patients had a prolonged total transit time on marker study, and 26 on scintigraphy. Of those 31 patients, 29 had prolonged segmental transit only in one or two segments on marker study. The two methods gave a similar result, except in the descending colon (P&lt;0.05). However, the results varied considerably for individual patients. In conclusion, patients with STC often benefit from a segmental colonic resection, following assessment including scintigraphy. Anorectal physiology testing may predict surgical results.

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