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The effect of cryotherapy on oral mucosa: a study in healthy volunteers
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper, Hematologi. (prof gunnar birgegård)
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper, Hematologi.
2012 (Engelska)Ingår i: Medical Oncology, ISSN 1357-0560, E-ISSN 1559-131X, Vol. 29, nr 5, s. 3587-3591Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Oral cryotherapy causes local vasoconstriction, which reduces blood flow and reduces the cytotoxic damage to the oral mucosa, has been shown to reduce oral mucositis after intense cytostatic treatment. The main object of this study was to investigate the effect of oral cryotherapy on the temperature in the oral mucosa, the level of proinflammatory cytokine interleukin-6 (IL-6) in saliva and the effect on blood pressure in healthy volunteers, before and after 1 h of cooling the oral cavity with crushed ice. Twelve healthy volunteers [mean age 32.4 (SD 13.2) (20-56) years] were treated with oral cryotherapy in the form of crushed ice. Temperature measurements were performed in the oral mucosa using infrared thermograph following a flowchart protocol. Blood pressure (BP) was measured with a sphygmomanometer. Saliva was analysed for inflammatory cytokine IL-6, using an enzyme-linked immunosorbent assay (ELISA). All participants fulfilled the cooling session. The temperature in the oral cavity decreased significantly (mean 12.9 degrees C, p < .002). The systolic BP was marginally but significantly higher after cooling (similar to 5 mmHg, p = .019). We could not detect any differences in cytokine IL-6 levels before and after oral cooling. We conclude that cryotherapy during 1 h lowers the mucosal temperature as much as similar to 12.9 degrees C, which explains the significant protective effect against mucosal damage by cytostatic drugs. The cooling caused no increase in IL-6 levels. Systemic blood pressure was marginally increased.

Ort, förlag, år, upplaga, sidor
2012. Vol. 29, nr 5, s. 3587-3591
Nyckelord [en]
oral cooling, thermographic measurement, interleukin (IL)-6, oral cavity temperature, blood pressure
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:uu:diva-179504DOI: 10.1007/s12032-012-0230-zISI: 000311513800085PubMedID: 22476810OAI: oai:DiVA.org:uu-179504DiVA, id: diva2:544979
Tillgänglig från: 2012-08-17 Skapad: 2012-08-17 Senast uppdaterad: 2017-12-07Bibliografiskt granskad
Ingår i avhandling
1. Mucositis Prevention for Patients Receiving High Dose Chemotherapy and Stem Cell Transplantation: Preventive Strategies - There is Always More to do
Öppna denna publikation i ny flik eller fönster >>Mucositis Prevention for Patients Receiving High Dose Chemotherapy and Stem Cell Transplantation: Preventive Strategies - There is Always More to do
2012 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The aim of this thesis was to investigate oral cryotherapy (OC) as prophy-laxis against oral mucositis (OM) in patients given high-dose chemotherapy for stem cell transplantation (SCT). A new mouth rinse device was tested for possible additive effect to OC.

For study I-III, 78 patients were randomised to OC or standard oral care (SOC). Papers I and II showed that OC patients had significantly less severe mucositis, pain, opioid use, lower C-reactive protein and less parenteral nutrition treatment (TPN).

There was no difference in relapse rate, and 5-year survival was unexpectedly significantly better in the OC group (Paper III). In paper IV, the local effect of OC on the mucosa of the mouth was investigated by the use of an infrared thermograph. Change in surface temperature in eight areas of the mouth cavity was measured after cooling of the mouth in healthy volunteers. A substantial lowering of the temperature (-12.9 °C, mean) was seen which could explain the efficacy of OC. To exclude that acute cooling in itself is traumatic, the proinflammatory cytokine IL-6 was measured in saliva and showed no increase after cooling. Paper V reported a study in 40 allogeneic SCT patients. 20 were given SOC including OC and 20 in addition received Caphosol®, a calcium phosphate mouth rinse, during chemotherapy and until day 21. Severity of mucositis, use of opioids and TPN, effects on nutrition and CRP levels were measured. No significant difference was found between the groups in any of these variables, but a non-significant trend for an advantage for the combination could be seen. IL-6 saliva levels were measured. There was a substantial increase (more than 10-fold), in mean IL-6 levels from baseline to beginning of mucositis and a weak correlation between increased IL-6 levels and severity of OM, suggesting that IL-6 in saliva may be a useful marker of the inflammatory mucosal process.

This thesis demonstrates that OC is effective as prophylaxis against chemotherapy-induced OM. As a consequence of this work, OC has been introduced as the standard of care in all SCT patients in our institution.

Ort, förlag, år, upplaga, sidor
Uppsala: Acta Universitatis Upsaliensis, 2012. s. 57
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 798
Nyckelord
oral mucositis, stem cell transplantion, oral cryotherapy, cooling, cytokine IL-6
Nationell ämneskategori
Klinisk medicin
Identifikatorer
urn:nbn:se:uu:diva-179508 (URN)978-91-554-8438-5 (ISBN)
Disputation
2012-09-28, Robergsalen, ing 40, 4 tr, Akademiska. sjukhuset, Uppsala, 13:15 (Engelska)
Opponent
Handledare
Tillgänglig från: 2012-09-07 Skapad: 2012-08-17 Senast uppdaterad: 2013-01-22

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