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Engagement Patterns With an Artificial Intelligence Health Coach for Systemic Sclerosis Self‐Management: A Mixed Methods Study

Arthritis Care &Research, EarlyView.
Objective To evaluate utility of an artificial intelligence (AI) health coach for systemic sclerosis (SSc) self‐management and identify patterns associated with participant engagement. Methods We conducted a mixed methods study in which an AI health coach, powered by a large language model (LLM), was used to support self‐management for SSc.
Nirali Shah, Melanie Morris, Cristina Daraban, Sophia Johnson, Susan L. Murphy   +4 more
wiley   +1 more source

Patients improve, patterns persist: longitudinal stability of RA joint involvement patterns

Arthritis Care &Research, Accepted Article.
Objective Rheumatoid arthritis is a heterogeneous disease. Data‐driven approaches, from synovial histology to joint involvement patterns (JIPs), have sought to define clinically meaningful subgroups. Whether these subgroups represent stable phenotypes or transient disease states remains unclear.
Tjardo Maarseveen, Yasuo Nagafuchi, Kristina Lend, Seyam Alemyar, Herman Kasper Glas, Gerdur Gröndal, Bjorn Gudbjornsson, Espen A. Haavardsholm, Kim Hørslev Petersen, Jon Lampa, Merete Lund Hetland, Dan Nordström, Mike Nurmohamed, Mikkel Østergaard, Anna Rudin, Marte Schrumpf Heiberg, Tuulikki Sokka‐Isler, Till Uhlig, Josien Veris‐van Dieren, Ronald van Vollenhoven, Tom Huizinga, Marcel JT Reinders, Sytske Anne Bergstra, Erik van den Akker, Rachel Knevel   +24 more
wiley   +1 more source

Dead space

Intensive Care Medicine, 2004
Dead space is that part of the tidal volume that does not participate in gas exchange. Although the concept of pulmonary dead space was introduced more than a hundred years ago, current knowledge and technical advances have only recently lead to the adoption of dead space measurement as a potentially useful bedside clinical ...
Lluís Blanch, U Lucangelo
exaly   +6 more sources

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Characteristics of the washout dead space

Respiration Physiology, 1979
The dead space volume was reproducibly measured in normal and diseased lungs by analysis of an inert gas washout. This washout dead space was appreciably larger than that measured by the Fowler technique. In the patients, the washout dead space (VD(0)) formed 72% of the physiological dead space volume, while the Fowler (VD(F)) method accounted for only
C J Martin, C J Martin
exaly   +3 more sources

Pulmonary Dead Space and Survival

New England Journal of Medicine, 2002
info:eu-repo/semantics ...
Feihl, François, Melot, Christian, Brimioulle, Serge   +2 more
openaire   +3 more sources

Corrections of Enghoff's dead space formula for shunt effects still overestimate Bohr's dead space

Respiratory Physiology and Neurobiology, 2013
Dead space ratio is determined using Enghoffs modification (VDB-E/V-T) of Bohr's formula (V-DBohr/V-T) in which arterial is used as a surrogate of alveolar PCO2. In presence of intrapulmonary shunt Enghoffs approach overestimates dead space.
João Batista Borges, Göran Hedenstierna, Fernando Suarez-Sipmann   +2 more
exaly   +2 more sources

Measurements of the dead space volume

Journal of Applied Physiology, 1979
The “anatomical” dead space is commonly measured by sampling an inert gas (N2) and volume in the exhalation following a large breath of oxygen (VD(F)). It may also be measured from an inert gas washout (VD(O)) that describes both volume and the delivery of VD(O) throughout the expiration.
C J, Martin, S, Das, A C, Young
openaire   +2 more sources

Dead Space and Blood Gases

Respiration, 2009
The determination of dead space of any kind is rarely done because it is of more interest to determine blood gases and pH which will be altered as a result of the increase in the functional dead space (anatomic and physiologic). The most frequent cause of increased dead space is an imbalance between ventilation and perfusion, and this alteration is ...
openaire   +2 more sources

Determination of the alveolar dead space

Bulletin of Experimental Biology and Medicine, 1979
The author suggests a method of finding the alveolar dead space (AIDS), i.e. the part of the functional dead space (FDS) which presents the greatest difficulties for determination. A1DS determination is based on the difference in the CO2 concentration in the venous blood flowing to the lungs for oxygenation under conditions of respiration at rest, and ...
openaire   +2 more sources