Balloon Ejection Test

The balloon ejection test can be used to determine whether the rectal sensation is normal or not, and to determine the function of the anal sphincter. If the anal sphincter is damaged, there is no sphincter function, and the balloon can slide out of the anus by itself, or the balloon can be discharged after slightly increasing the abdominal pressure. This test helps to determine whether the function of the rectum and pelvic floor muscles is abnormal. The patient has a feeling of fullness and sorrow, but it is very difficult to discharge the feces (long defecation, painful defecation). Basic Information Specialist classification: Digestive examination classification: other examinations Applicable gender: whether men and women apply fasting: not fasting Tips: Pay attention to the normal diet, pay attention to normal work and rest, and prevent endocrine disorders. Normal value The time the balloon was expelled in this test (normally discharged within 5 min). Clinical significance If the rectum feels dull, normal volume does not cause bowel reflexes and the balloon cannot be expelled. Abnormal results: 1. Abnormal function of the pelvic floor muscle: mainly due to difficulty in defecation. The patient has a feeling of fullness and sorrow, but it is very difficult to discharge the feces (long defecation, painful defecation). Forming soft stools is also difficult to discharge, patients often take a lot of laxatives or enema to empty the rectum, and often have the feeling that the anus is difficult to open when defecation. 2. What are the anorectal diseases: (1). Blood in the stool: Blood in the stool is a common symptom of internal hemorrhoids, anal fissure, rectal polyps, and rectal cancer. Blood is not mixed with the stool, attached to the surface of the stool, or dripping down, or a line like an arrow, blood more without pain, mostly guilt, less blood in the stool and anal pain, mostly anal fissure. Children with blood in the stool, the number of stools and the quality of the changes are not obvious, mostly rectal polyps, blood and mucus mixed, its color is dark, the anus has a heavy fall, should consider the possibility of rectal cancer. Blood in the stool is red, blood is like an arrow, and accompanied by thirst, constipation, urinary red, red, pulse number and other symptoms, mostly wind-heated and dry. The blood in the stool is light, accompanied by facial complexion, palpitations, distress, fatigue, lightness, and fine pulse. It is a blood deficiency and intestinal dryness. (2). Swelling and pain: common in anal abscess, internal hemorrhoids incarceration, external hemorrhoids, thrombosis and other diseases. Swelling high, sudden pain, mostly wet heat block, may be associated with chest tightness, abdominal distension, body weight, loss of appetite, fever, yellow greasy moss, pulse number and other symptoms, common in the anal abscess, external hemorrhoids. Those who are slightly swollen and slightly painful, each because of qi and blood, lack of gas, and the stagnation of phlegm and heat in the hot and humid, may be associated with low fever, fatigue, dizziness, sputum, night sweats, loose stools or dry knots, light or red, moss Yellow or greasy, fine pulse and other symptoms, often anal abscess and symptoms are not obvious or tuberculosis perianal infection. and many more. People who need to check: Patients with pelvic floor muscle dysfunction, rectal diseases and other related symptoms. Precautions Forbidden before examination: pay attention to normal diet, pay attention to normal work and rest, and prevent endocrine disorders. Requirements for inspection: Actively cooperate with the doctor's request. Inspection process Test method for balloon ejection test: insert the catheter into the balloon, tighten the balloon end with a thread, lubricate the balloon outside, insert the balloon into the rectum of the rectum, and inject 50ml or 50ml of air at 37°C. Clip the clamp. During the water injection process, the patient is asked whether there is a sense of inconvenience, and when the initial intention is caused, the amount of water injected (the rectal sensation threshold) is recorded. 嘱 The subject took the habit of expelling the bowel movement as soon as possible, and recorded the discharge time (normally discharged within 5 min). The balloon ejection test is often used to identify obstruction at the exit and incontinence. Not suitable for the crowd Inappropriate crowd: temporarily unknown.