Colonic Physiology
6 results
1 - 6
Anorectal Disease- Benign Disease
- A 76-year-old woman presents with a history of CHF to the hospital with abdominal pain of 24 hours’ duration and bloody diarrhea. Her temperature is 98.6°F (37.0°C), heart rate 90 beats/min, white blood cell count 16,000/mL (16´109/L), and blood pressure 110/70 mm Hg. Computed tomography imaging is ordered (Figure); Her abdomen is tender but without peritoneal signs. Colonoscopy shows patchy, superficial areas of ulceration and sloughing in the transverse colon. The best next treatment for this patient is which of the following?
- A 78-year-old woman comes to the emergency department with a long history of chronic constipation and obstipation, nausea, abdominal pain, and distention for the past 5 days. Physical examination reveals abdominal distention with bilateral lower abdominal discomfort and fullness. On digital rectal examination, fecal impaction is noted and an attempt at manual disimpaction is unsuccessful. Computed tomography shows the findings in the Figure. The best next step in management for this patient is:
- Pelvic Floor
- A 55-year-old woman has slow transit constipation. She was treated with linaclotide with good results. What is the mechanism of action of linaclotide?
- A 45-year-old woman with a history of chronic constipation is evaluated in the office. Recent transit study demonstrated retention of 16 Sitz markers scattered throughout the colon 5 days after ingesting the Sitzmark capsule. Colonoscopy findings are unremarkable. She has failed multiple medication trials. She is compliant with her dietary modifications such as fiber and fluid intake. She takes a commercial polyethylene glycol 3350 formulation as needed. What is the most appropriate next step in management?
- Perioperative