Alternative Blood Pressure Measurements in OB Patients
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Albany Medical College
临床试验: NCT04291365
BioSeek: nct04291365
关键词
抽象
The incidence of obesity has been increasing worldwide. In women with obesity, the anthropometric differences in the distribution of subcutaneous tissue can make accurate measurement of blood pressure difficult. A large upper arm circumference can prevent the use of a brachial artery blood pressure cuff and often prompts the use of alternative methods for blood pressure measurement, including measurements on the wrist or forearm. Outside of the obstetric population, there is evidence that if measurement of the blood pressure at the upper arm is not possible then measurement at the wrist can be used. Despite this evidence in non-pregnant patients, there is limited evidence in pregnancy regarding the accuracy of blood pressure measurements on the forearm or wrist. Accurate measurement of blood pressure is especially important in pregnancy to allow for prompt treatment of severe hypertension and for accurate diagnosis of hypertensive disorders of pregnancy. Error in measurement could lead to iatrogenic preterm birth or under treatment of severe hypertension, both which can lead to severe maternal and fetal morbidity and mortality. Additionally, it is biologically plausible that an increase in subcutaneous edema and vascular changes in pregnancy could lead to a larger discrepancy in blood pressure measurements between upper arm, forearm and wrist measurements.
Due to the increasing epidemic of obesity and the increasing need for accurate alternative blood pressure measurements we propose a prospective observational study of pregnant women ≥18 years old admitted to labor and delivery for any indication or seen for prenatal care in OBGYN clinic. A total of 20 women in each BMI class (normal, overweight (25-29.9), class 1 (30-34.9), class 2 (35-39.9), class 3 (>40) will be enrolled (100 total). Participation will include a total of 9 blood pressure measurements, biometric measurements on the patient's upper arm, forearm, and wrist and a brief questionnaire. We hypothesize that there will be a discrepancy between blood pressure measurements on the upper arm and forearm or wrist.
日期
最后验证: | 01/31/2020 |
首次提交: | 02/26/2020 |
提交的预估入学人数: | 02/26/2020 |
首次发布: | 03/01/2020 |
上次提交的更新: | 02/26/2020 |
最近更新发布: | 03/01/2020 |
实际学习开始日期: | 02/29/2020 |
预计主要完成日期: | 02/28/2021 |
预计完成日期: | 11/30/2021 |
状况或疾病
Obesity
Blood Pressure
干预/治疗
Diagnostic Test: Blood pressure measurement
相
-
手臂组
臂 | 干预/治疗 |
---|---|
Other: Normal weight | |
Other: Obesity Class 1 | |
Other: Obesity Class 2 | |
Other: Obesity Class 3 |
资格标准
有资格学习的年龄 | 18 Years 至 18 Years |
有资格学习的性别 | Female |
接受健康志愿者 | 是 |
标准 | Inclusion Criteria: - >=18 years old - prenatal care at study hospital - english speaking Exclusion Criteria: - Age <18 - Active upper extremity DVT - Inability to measure blood pressure on arm - Unable to give consent |
结果
主要结果指标
1. Blood pressure brachial [1 day]
2. Blood pressure radial [1 day]
3. Blood pressure wrist [1 day]