Thermographic Patterns of Pulmonary Disease

Potanin, Constantine

doi:10.1378/chest.58.5.491

Cited by 7 publications

(3 citation statements)

References 6 publications

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“…The possibility of using IRT for diagnosing pneumonia has been discussed for several decades (e.g., [17,18]), and currently, the scientific community treats this idea with skepticism. We found no studies on the use of thermometry to monitor the recovery process.…”

Section: Resultsmentioning

confidence: 99%

Passive Acoustic Thermometry of the Chest of a Person with COVID-19

et al. 2022

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Passive acoustic thermometry (PAT) was used to study the dynamics of changes in the chest temperature of a person with COVID-19 over the course of about two and a half weeks after quarantine. PAT, which can measure deep body temperature, showed that the integral temperature of tissues surrounding the lungs increased from 32.2 ± 0.07 to 33.0 ± 0.03°C about 10 days after the end of quarantine. This may indicate increased blood supply to the lungs, i.e., an indication of recovery. Infrared thermometry used to monitor recovery yielded no results.

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Section: Resultsmentioning

confidence: 99%

Passive Acoustic Thermometry of the Chest of a Person with COVID-19

et al. 2022

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“…It has been reported in a case report that acute consolidative tuberculosis caused a TI hot spot but subacute tuberculosis did not. 21 It is not the precise lobar distribution but rather presence or absence of a focal hot spot that is the informative aspect of TI.…”

Section: Discussionmentioning

confidence: 99%

“…Anecdotal reports suggest that TI has potential for detecting pneumonia. 21 22 These case reports and methodologies have not been subjected to systematic blinded assessment. In this initial proof of concept investigation, we compared TI to CXR in patients suspected of having acute pneumonia.…”

Section: Introductionmentioning

confidence: 99%

Similarity of chest X-ray and thermal imaging of focal pneumonia: a randomised proof of concept study at a large urban teaching hospital

et al. 2018

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ObjectiveTo assess the diagnostic accuracy of thermal imaging (TI) in the setting of focal consolidative pneumonia with chest X-ray (CXR) as the gold standard.SettingA large, 973-bed teaching hospital in Boston, Massachusetts.Participants47 patients enrolled, 15 in a training set, 32 in a test set. Age range 10 months to 82 years (median=50 years).Materials and methodsSubjects received CXR with subsequent TI within 4 hours of each other. CXR and TI were assessed in blinded random order. Presence of focal opacity (pneumonia) on CXR, the outcome parameter, was recorded. For TI, presence of area(s) of increased heat (pneumonia) was recorded. Fisher’s exact test was used to assess the significance of the correlations of positive findings in the same anatomical region.ResultsWith TI compared with the CXR (the outcome parameter), sensitivity was 80.0% (95% CIs 29.9% to 98.9%), specificity was 57.7% (95% CI 37.2% to 76.0%). Positive predictive value of TI was 26.7% (95% CI 8.9% to55.2%) and its negative predictive value was 93.8% (95% CI 67.7% to 99.7%).ConclusionsThis feasibility study confirms proof of concept that chest TI is consistent with CXR in suggesting similarly localised focal pneumonia with high sensitivity and negative predictive value. Further investigation of TI as a point-of-care imaging modality is warranted.

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Thermographically measured normal skin temperature asymmetry in the human male

Silberstein

Bahr

Kattan

1975

Cancer

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The detection of thermal asymmetry may lead to the diagnosis of significant disease states, especially those of a neoplastic or vascular nature. Estimates of acceptable thermal asymmetry have been made; thermal asymmetry has not previously been quantified in normal subjects. In 10 normal male volunteers, ages 17–38, thermal difference between symmetric areas of the chest, abdomen, and back never exceeded 1°C. Statistical treatment of these data suggests that thermal differences in excess of this in the male are abnormal.

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Thermographic Patterns of Pulmonary Disease

Cited by 7 publications

References 6 publications

Passive Acoustic Thermometry of the Chest of a Person with COVID-19

Passive Acoustic Thermometry of the Chest of a Person with COVID-19

Similarity of chest X-ray and thermal imaging of focal pneumonia: a randomised proof of concept study at a large urban teaching hospital

Thermographically measured normal skin temperature asymmetry in the human male

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