In this issue of the Scandinavian Journal of Pain, Gunnarsson and co-workers report on the use of pressure pain thresholds (PPTs) for assessing deep somatic pain sensitivity in patients with acute, recurrent, and persistent musculoskeletal pain .In this study, the particular approach is that the assessments are conducted at a location extra-segmental to the painful area (tibialis anterior muscle). The study showed that the persistent pain group had significantly lower PPTs (a general increase in pain sensitivity as a result of centralized sensitisation) as compared with a matched control group. No significant differences were found between the acute, recurrent, and healthy control groups.1Manifestations and assessment of widespread sensitisationCurrently, no definitive method or guideline exists for diagnosing centralised sensitisation but sensitisation-specific questionnaires have been developed . Assessing sensitisation in healthy volunteers and in pain patients can also be conducted using Quantitative Sensory Testing (QST) whereby it is possible to estimate gain or loss of pain sensitivity under different conditions to get an impression of the peripheral and/or the central gain.If a painful stimulus (e.g. pressure) is applied to a pain patient, it is difficult to determine if the reaction is a result of a localised (peripheral) pain sensitisation/desensitisation or caused
Scandinavian Journal of Pain – de Gruyter
Published: Oct 1, 2016
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