Urology & Urogynecology > Education and Reference

CLINICAL APPLICATION NOTES
Introduction to Urodynamics II: Clinical Indications and Preparation
Patient Instructions

There are two inherent obstacles to the bladder chart that make proper instruction to the patient imperative:

  1. The patient won’t keep the record
  2. The patient will obsess about keeping the records and alter his/her habits of daily living


Other considerations for patient instructions include:

Suggesting or providing a measuring device. Some hospitals actually provide a graduated urine beaker or a commode “top hat” to the patient in a nylon logo bag. You can also suggest that the patient obtain a large (1-quart) plastic measuring cup with a handle at the local Dollar Store.
Suggesting which days are best to keep the diary. It is probably best not to attempt it on days traveling, unless the patient travels all the time and feels that this will not be a problem. Working patients often like to make at least one of the days on a weekend.
If the patient is embarrassed about carrying the necessary supplies, explain that the diary is a very important part of their testing and that it will provide very valuable information about how and when symptoms occur.

Remind them several times that the chart is important and intended to document their normal, everyday intake and output. They do not need to attempt to “be good” on those days and drink more than normal, etc.

The primary purpose of having the patient document the type of intake is to look for trends in excessive consumption of bladder irritants. A chart of the most commonly consumed bladder irritants is shown on the next page.


Bladder Irritants

Alcoholic beverages
Apples and apple juice
Artificial sweeteners (saccharin and
Aspartame)
Cantaloupe
Carbonated beverages
Spicy foods
Caffeine
Citrus fruit and juices
Chocolate

Coffee (including decaffeinated)
Cranberries and cranberry juice
Dairy products
Grapes and grape juice
Pineapple and pineapple juice
Strawberries
Sugar
Tea (except caffeine free herbal tea)
Tomatoes and tomato juice or sauce
Vinegar


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