Abstract:
BACKGROUND:Addition of an oxygen concentrator into a control loop furthers previous work in autonomous control of oxygenation. Software integrates concentrator and ventilator function from a single control point, ensuring maximum efficiency by placing a pulse of oxygen at the beginning of the breath. We sought to verify this system. METHODS:In a test lung, fraction of inspired oxygen (FIO2) levels and additional data were monitored. Tests were run across a range of clinically relevant ventilator settings in volume control mode, for both continuous flow and pulse dose flow oxygenation. RESULTS:Results showed the oxygen concentrator could maintain maximum pulse output (192 mL) up to 16 breaths per minute. Functionality was verified across ranges of tidal volumes and respiratory rates, with and without positive end-expiratory pressure, in continuous flow and pulse dose modes. For a representative test at respiratory rate 16 breaths per minute, tidal volume 550 mL, without positive end-expiratory pressure, pulse dose oxygenation delivered peak FIO2 of 76.83 ± 1.41%, and continuous flow 47.81 ± 0.08%; pulse dose flow provided a higher FIO2 at all tested setting combinations compared to continuous flow (p < 0.001). CONCLUSIONS:These tests verify a system that provides closed loop control of oxygenation while integrating time-coordinated pulse-doses from an oxygen concentrator. This allows the most efficient use of resources in austere environments.
journal_name
Mil Medjournal_title
Military medicineauthors
Gangidine MM,Blakeman TC,Branson RD,Johannigman JAdoi
10.7205/MILMED-D-15-00150subject
Has Abstractpub_date
2016-05-01 00:00:00pages
177-83issue
5 Suppleissn
0026-4075issn
1930-613Xjournal_volume
181pub_type
杂志文章abstract:BACKGROUND:Each time a deployed military member has an exacerbation of a pre-existing chronic disease there is a potential risk to mission success, individual health, and the safety of the unit. Currently, North Atlantic Treaty Organization (NATO) member nations employ different approaches to assessing an individual's ...
journal_title:Military medicine
pub_type: 杂志文章,实务指引
doi:10.7205/MILMED-D-14-00113
更新日期:2014-12-01 00:00:00
abstract::A 22-year-old active duty E1 Nepalese male who recently emigrated from Nepal suddenly exhibited strange behaviors and mutism during Advanced Individual Training. After receiving care from a hospital near his unit, he was transferred to Walter Reed Army Medical Center Inpatient Psychiatry for further evaluation and tre...
journal_title:Military medicine
pub_type: 杂志文章
doi:10.7205/milmed.172.11.1213
更新日期:2007-11-01 00:00:00
abstract::Semmes-Weinstein monofilament (SWM) evaluation for protective sensation in diabetic feet is a widely used tool to guide patient care. Little evidence is available for alternative testing modalities for use when monofilament is not available or is deformed. Multiple varieties of intravenous angiocatheter tubing were su...
journal_title:Military medicine
pub_type: 杂志文章
doi:10.7205/MILMED-D-13-00423
更新日期:2014-04-01 00:00:00
abstract::The USNS Mercy (T-AH 19) is a unique environment for its staff and patients. Several environmental influences distinctively affect health, medical, and nursing care. Six main areas of environmental concern for operational nursing were examined. The strengths, weaknesses, opportunities, and threats to the internal envi...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:2001-06-01 00:00:00
abstract::Like all health care delivery systems, the U.S. Department of Defense Military Health System (MHS) strives to achieve top preventative care and population health outcomes for its members while operating at an efficient level and containing costs. The objective of this study is to understand the overall efficiency perf...
journal_title:Military medicine
pub_type: 杂志文章
doi:10.7205/MILMED-D-15-00309
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abstract::To examine the type and effectiveness of various strategies used by Royal Australian Air Force (RAAF) fast jet (FJ) aircrew in self-referral and management of flight-related neck pain, a 6-section, 18-question survey tool was distributed to 86 eligible RAAF aircrew. Selective results from the sections evaluating aircr...
journal_title:Military medicine
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journal_title:Military medicine
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journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:2003-08-01 00:00:00
abstract:Objective:To quantitatively measure tissue composition and hemodynamics during resuscitative endovascular balloon occlusion of the aorta (REBOA) in two tissue compartments using non-invasive two-channel broadband diffuse optical spectroscopy (DOS). Methods:Tissue concentrations of oxy- and deoxyhemoglobin (HbO2 and Hb...
journal_title:Military medicine
pub_type: 杂志文章
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journal_title:Military medicine
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abstract::The National Academies of Sciences, Engineering, and Medicine Report on Zero Preventable Deaths highlighted the need for a military and civilian partnership to take lessons learned from the wars in Iraq and Afghanistan and incorporate them into a national learning trauma care system. One of the specific objectives in ...
journal_title:Military medicine
pub_type: 杂志文章
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abstract::A mathematical model revealing the relationships between bed capacity, average patient admission rate, average patient length of stay, utilization rate, and overfill rate in intensive care units is developed and explained. Mathematical model predictions are compared to predictions of two kinds of discrete event intens...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:1995-05-01 00:00:00
abstract::To maintain operational readiness, military personnel engage in vigorous physical and training activities that carry risk for injury. A 1-year prospective cohort study, starting April 1996, was conducted at Fort Bragg, North Carolina among 1,965 members of the 82nd Airborne Division to quantify musculoskeletal injurie...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:2002-12-01 00:00:00
abstract::Within the past few years, the U.S. Army and U.S. Marine Corps have either incorporated or in the process of incorporating physical fitness tests that assess a soldier's fitness capability in a combat environment. In this article, we investigate how the U.S. Air Force Physical Fitness Test (AFPFT) events compare to si...
journal_title:Military medicine
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journal_title:Military medicine
pub_type: 杂志文章,评审
doi:
更新日期:2001-11-01 00:00:00
abstract::Individual fitness, an important component of combat readiness, has been found to be deficient in some Reserve Component units of the United States Army. We evaluated a program of monthly physical training in an environment of increasing emphasis on unit physical fitness in an effort to determine the effect on unit pe...
journal_title:Military medicine
pub_type: 杂志文章
doi:
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abstract::The Army experience with discharges against medical advice (AMA) from 1971 to 1988 is analyzed. AMA discharges have declined in a statistically significant manner in both medical centers and community hospitals. Discharges have decreased among men but increased among women. AMA discharges have decreased for both black...
journal_title:Military medicine
pub_type: 杂志文章,评审
doi:
更新日期:1993-02-01 00:00:00
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journal_title:Military medicine
pub_type: 杂志文章
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更新日期:2019-03-01 00:00:00
abstract:OBJECTIVES:The current treatment options for neuropathic pain due to nerve injuries are limited and largely unsatisfactory. Mesenchymal stem cell transplantation (MSC) has shown promise as an emerging therapy for neuropathic pain. However, a number of critical parameters, including the sources of cells, the number of c...
journal_title:Military medicine
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abstract:OBJECTIVE:To determine whether the presence of insulin resistance in obese subjects would adversely affect the rate of ovulation induction by clomiphene citrate. RESULTS:Fasting hyperinsulinemia was associated with the failure to ovulate in response to clomiphene. In addition, other parameters found to correlate with ...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:1996-12-01 00:00:00
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journal_title:Military medicine
pub_type: 杂志文章
doi:
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pub_type: 杂志文章
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abstract::The 274th Forward Surgical Team (FST) was deployed in support of Operation Enduring Freedom from October 14, 2001 to May 8, 2002. During this period, the FST was asked to perform many nondoctrinal missions. The FST was tasked with functioning as a mini-combat support hospital during the earlier phases of Operation End...
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pub_type: 杂志文章
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更新日期:2005-06-01 00:00:00
abstract::Previous studies have linked the use of caffeine, nicotine, and alcohol to health complications and have also found that the use of these substances significantly covary. Given the prevalence of health problems of older adults, it is surprising that no studies to date have examined the co-occurrent use of alcohol, caf...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:1998-03-01 00:00:00
abstract::This study identified chemical and environmental exposures specifically associated with the 1991 Persian Gulf War. Exposures were self-reported in a postal questionnaire, in the period of 2000-2002, by 1,424 Australian male Persian Gulf War veterans in relation to their 1991 Persian Gulf War deployment and by 625 Pers...
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pub_type: 杂志文章
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更新日期:2006-07-01 00:00:00
abstract::Personality characteristics associated with successful adaptation to military life are often described in gender-related terms. However, valid, reliable measures of gender-related personality characteristics have not been established for military populations. The purpose of this study was to validate an instrument for...
journal_title:Military medicine
pub_type: 杂志文章
doi:
更新日期:2000-01-01 00:00:00
abstract::Arteriopathy associated with human immunodeficiency virus infection and clinical acquired immunodeficiency syndrome is well-documented. The pathophysiology of this arteriopathy may vary in different vascular beds. Although arteriopathy of central nervous system (CNS) circulation has been recognized in pediatric patien...
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pub_type: 杂志文章
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更新日期:2007-06-01 00:00:00
abstract::A retrospective study was performed to evaluate breast imaging in the Wilford Hall Medical Center, the largest medical facility in the U.S. Air Force, from the time period of October 1997 to October 2000, in comparison with its civilian counterparts. The results demonstrate that although Wilford Hall Medical Center br...
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