After obtaining written and verbal permission from the families of the patients in the intervention group by signing the Informed Volunteer Consent Form, the patients were filled out the Patient Introduction Form, Patient Monitoring Form and Medication Monitoring Form by the nurses. The massage process, which was performed according to the application protocol of the aroma oil prepared for the patients (5 drops of lavender oil, 4 drops of thyme oil, 3 drops of eucalyptus oil and 20 ml of almond oil in 20 ml), was performed by the researcher by stroking the patient's back and chest, effleurage, re-effleurage, back massage. Deep caressing and stroking on the dorsal surface were performed in 6 consecutive steps.

After obtaining written and verbal approval from the families of the patients included in the placebo control group by signing the Informed Volunteer Consent Form, the patients were filled out the Patient Introduction Form, Patient Monitoring Form and Medication Monitoring Form by the nurses. According to the oil application protocol, the massage with almond oil was performed by the researcher in 6 consecutive steps by stroking the patient's back and chest, effleurage, re-effleurage, deep stroking of the back and stroking the back surface.

The study applied a mixture of lavender, thyme and eucalyptus oil (5 drops of lavender oil, 4 drops of thyme oil, 3 drops of eucalyptus oil and 20 ml of almond oil in 20 ml) to patients who were monitored in intensive care on high-flow and oxygen, for three days. It was conducted as a randomized controlled single-blind study to evaluate the effects of aromatherapy massage applied twice a day for a total of 30 minutes on some physiological parameters, pain, anxiety and comfort levels.

The "Patient Introduction Form" prepared by the researcher based on the literature in order to obtain information about the characteristics of the patients who will form the sample includes questions such as the medical diagnosis of the patients, age, gender, chronic diseases, length of stay in intensive care, use of analgesics and sedative drugs.

The patient follow-up form was created by the researcher, and the follow-up results of physiological parameters throughout the study will be included in the form. Vital signs and oxygen saturation results of the patients before and after the application will be recorded on the patient follow-up form by the nurses who collect the data of the study.

The medication monitoring form was created by the researcher, and the form will include the dosage of the analgesic and sedative medications the patient received in the intensive care unit during the study. The medication monitoring form will be recorded with the dosage taken before and after the application by the nurses who collect the data of the study.