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  • 1.
    Alkaissi, Aidah
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Postoperative Symptoms After Gynaecological Surgery: How They Are Influenced by Prophylactic Antiemetics Sensory Stimulation (P6-Acupressure)2004Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Symptoms after surgery and anaesthesia influence the patient´s ability to resume daily activities. If postoperative symptoms are controlled rehabilitation may be accelerated. The aims of this dissertation were to identify disturbing symptoms reported by patients after gynaecological surgery, to investigate what effect prohylactic treatment with antiemetics has on these symptoms and whether or not sensory simulation of the P6-acupressure has an effect on postoperative nausea and vomiting (PONV) and motion sickness.

    Methods: Total 1138 women participated in three clinical trials (Studies I, II, III) and one experimental study (Study IV). A questionnaire investigating postoperative symptoms was constructed and validated. The questionnaire was used in a prospective, consecutive, doubleblind, randomised, multicentre, and controlled study to identify incidence, and intensity of postoperative symptoms and the effect of common antiemetics (droperidol and granisetron) (Study III). The patients were followed for 24 h. In two studies (I, II) P6-acupressure was compared (prospective, double-blind, ransomised, controlled) with placebo acupressure and a reference group where the effect on PONV was followed over 24 h. The effect of P6-acupressure and placebo acupressure on motion sickness induced by a nauseogenic motion challenge was studied (Study III).

    Results: A high incidence and severity of postoperative symptoms were found after gynaecological surgery in a group with a high risk (>30%) for PONV. Sixty-four per cent (107/165) of the patients experienced disturbing symptoms after surgery and 46 % (76/165) scored their symptoms as moderate to very severe. Fourty-eight per cent (79/165) had two or more symptoms. A higher incidence of symptoms were reported in the groups with prophylactic treatment, granisetron 74% (123/165) and droperidol 80% (133/165) compared to the control group 41% (69/165) (P <0.05). The relative risk reduction for PONV with granisetron or droperidol prophylaxis is 27% respective 22%. The relative risk increase for headache is 63% after granisetron, and 44% for difficulty with accommodation after droperidol. Less PONV was seen after P6-acupressure, 33% (44/135) compared to reference group 46% (63/136) (p = 0.019), number needed to treat (NNT) was 7 [95% confidence interval (CI) 4- 6]. When comparing laparoscopic and vaginal surgery (subgroup analysis) the main effect was in the vaginal group (day-case surgery), 36% (27/75) in the reference group to 27% (23/86) in the placebo group and to 20% (17/84) in the P6-acupressure group, (P = 0.017), NNT for the vaginal group was 6 [95% CI 3-18]. P6-acupressure increased time to nausea after a laboratory motion challenge and reduced the total number of symptoms reported (p <0.009).

    Conclusions: There is no clinical efficacy in the form of reduced postoperative symptoms after prophylactic antiemetics (droperidol and granisetron) in females with a high risk (>30%) for PONV undergoing gynaecological surgery. P6-acupressure reduces the incidence of PONV after gynaecological surgery in females with a high (>30%) risk for PONV. The effect seems to be most prominent after vaginal surgery. P6-acupressure increased tolerance to experimental nausogenic stimuli and reduced the total number of symptoms reported in females with a history of motion sickness.

    List of papers
    1. Effect and placebo effect of acupressure (P6) on nausea and vomiting after outpatientgynaecological surgery
    Open this publication in new window or tab >>Effect and placebo effect of acupressure (P6) on nausea and vomiting after outpatientgynaecological surgery
    1999 (English)In: Acta anaesthesiologica Scandinavica, ISSN 0001-5172, Vol. 43, no 3, p. 270-274Article in journal (Refereed) Published
    Abstract [en]

    BACKGROUND: Acupuncture and acupressure have previously been reported to possess antiemetic effect. We wanted to investigate the "true" and placebo effect of acupressure in prevention of postoperative nausea and vomiting (PONV). PATIENTS AND METHODS: Sixty women undergoing outpatient minor gynaecological surgery were entered into a double-blind and randomised study. One group received acupressure with bilateral stimulation of P6 (A), a second group received bilateral placebo stimulation (P) and a third group received no acupressure wrist band and served as a reference group (R). PONV was evaluated as number of patients with complete response (no PONV), nausea only or vomiting. In addition, the need for rescue antiemetic medication and nausea after 24 h was registered. RESULTS: Complete response was obtained in 11, 11 and 9 patients in groups, A, P and R, respectively. Nine, 7 and 6 patients had nausea before discharge home, and 1, 1 and 8 patients were nauseated (8 vs 1 patient: P < 0.05) 24 h after operation in A, P and R groups, respectively. When compared to placebo acupressure (2 patients vomited and 5 needed rescue), significantly (P < 0.05) fewer needed rescue antiemetic medication after acupressure at P6 (no vomiting or rescue medication). When compared to the observation group (5 vomited and 4 needed rescue antiemetics), significantly fewer vomited after acupressure (P < 0.05) CONCLUSION: In patients undergoing brief gynaecological surgery, placebo effect of acupressure decreased nausea after 24 h but vomiting and need of rescue antiemetics was reduced only by acupressure with the correct P6 point stimulation.

    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-13648 (URN)
    Available from: 2004-05-20 Created: 2004-05-20 Last updated: 2009-08-17
    2. P6 acupressure may relieve nausea and vomiting after gynecological surgery: an effectiveness study in 410 women
    Open this publication in new window or tab >>P6 acupressure may relieve nausea and vomiting after gynecological surgery: an effectiveness study in 410 women
    Show others...
    2002 (English)In: Canadian Journal of Anesthesia, ISSN 0832-610X, Vol. 49, no 10, p. 1034-1039Article in journal (Refereed) Published
    Abstract [en]

    Purpose: To investigate the effect of sensory stimulation of the P6 point on postoperative nausea and vomiting (PONV) after gynecological surgery in the everyday clinical setting (effectiveness study).

    Methods: Four hundred and ten women undergoing general anesthesia for elective gynecological surgery were included in a prospective, consecutive, randomized, multicentre, placebo-controlled, double-blind clinical trial with a reference group. One group was given bilateral P6 acupressure (n = 135), a second group similar pressure on bilateral non-acupressure points (n = 139), and a third group (n = 136) served as reference group. Nausea (scale 0–6), vomiting, pain, and satisfaction with the treatment were recorded. Primary outcome was complete response, i.e., no nausea, vomiting or rescue medication for 24 hr. Results were analyzed by applying logistic regression with indicators of treatments, type of operation and risk score for PONV as explanatory variables.

    Results: Complete response was more frequent in the P6 acupressure group than in the reference group (P = 0.0194) Conversely, the incidence of PONV was 46% in the reference group, 38% after pressure on a non-acupoint and 33% after P6 acupressure. The decrease from 46% to 33% was statistically significant. When considering vaginal cases separately, the decrease in PONV was from 36% to 20% (P = 0.0168). The corresponding decrease from 59% to 55% in the laparoscopic surgery group was not statistically significant.

    Conclusion: P6 acupressure is a non-invasive method that may have a place as prophylactic antiemetic therapy during gynecological surgery.

    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-13649 (URN)
    Available from: 2004-05-20 Created: 2004-05-20 Last updated: 2009-08-17
    3. Disturbing postoperative symptoms are not reduced by prophylactic antiemetric treatment in patients at high risk for post-operative nausea and vomiting
    Open this publication in new window or tab >>Disturbing postoperative symptoms are not reduced by prophylactic antiemetric treatment in patients at high risk for post-operative nausea and vomiting
    Show others...
    2004 (English)In: Acta anaesthesiologica Scandinavica, ISSN 0001-5172, Vol. 48, no 6, p. 761-71Article in journal (Refereed) Published
    Abstract [en]

    BACKGROUND: To give prophylactics or timely treatment for post-operative nausea and vomiting (PONV) is the question. We compared the intensity and number of disturbing post-operative symptoms (i.e. pain, PONV, headache, fatigue, etc.) after prophylactic antiemetic treatment in a group of patients with >30% risk for post-operative vomiting. METHODS: Four hundred and ninety-five patients, from three hospitals, planned for gynaecological surgery were randomized double blind. They were given granisetron 3 mg, droperidol 1.25 mg or no prophylactic antiemetic. Post-operative symptoms were followed for 24 h using a questionnaire. Symptoms were analyzed both according to their intensity and in a dichotomous fashion. RESULTS: The intensity of different symptoms differed depending on whether droperidol, granisetron or no antiemetic had been given (P = 0.005) but the overall incidence of moderate to very severe symptoms was similar in all groups. No group fared better in general. The total number of symptoms was higher in the groups given prophylactic treatment (P < 0.05). The relative risk reduction for PONV with granisetron or droperidol prophylaxis was 27%[95% confidence interval (CI) 8-43] and 22% (2-38), respectively. The NNT (number needed to treat) for granisetron (0-24 h) was 7 and for droperidol 8. The NNH (number needed to harm) (0-24 h) for headache and visual disturbances was 6 and 13 (NS) for granisteron and, 50 (NS) and 6 for droperidol. CONCLUSION: The intensity of symptoms or the total number of disturbing symptoms did not decrease after prophylactic antiemetic treatment in a group of patients, but the profile of disturbing symptoms changed. The relevance of post-operative symptoms in terms of patients' well-being needs to be addressed.

    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-13650 (URN)10.1111/j.0001-5172.2004.00403.x (DOI)
    Available from: 2004-05-20 Created: 2004-05-20 Last updated: 2009-10-14
    4. P6 acupressure increases tolerance to nausogenic motion stimulation in women with high risk for PONV
    Open this publication in new window or tab >>P6 acupressure increases tolerance to nausogenic motion stimulation in women with high risk for PONV
    2005 (English)In: Canadian Journal of Anesthesia, ISSN 1496-8975, Vol. 52, p. 703-709Article in journal (Refereed) Published
    Abstract [en]

    Purpose: In a previous study we noticed that P6 acupressure decreased postoperative nausea and vomiting (PONV) more markedly after discharge. As motion sickness susceptibility is increased by, for example, opioids we hypothesized that P6 acu-pressure decreased PONV by decreasing motion sickness susceptibility. We studied time to nausea by a laboratory motion challenge in a group of volunteers, during P6 and placebo acupressure.

    Methods: 60 women with high and low susceptibilities for motion sickness participated in a randomized and double-blind study with an active P6 acupressure, placebo acupressure, and a control group (n = 20 in each group). The risk score for PONV was over 50%. The motion challenge was by eccentric rotation in a chair, blindfolded and with chin to chest movements of the head. The challenge was stopped when women reported moderate nausea. Symptoms were recorded.

    Results: Mean time to moderate nausea was longer in the P6 acu-pressure group compared to the control group. P6 acupressure = 352 (259–445), mean (95% confidence interval) in seconds, control = 151 (121–181) and placebo acupressure = 280 (161–340); (P = 0.006). No difference was found between P6 and placebo acupressure or placebo acupressure and control groups. Previous severity of motion sickness did not influence time to nausea (P = 0.107). The cumulative number of symptoms differed between the three groups (P < 0.05). Fewer symptoms were reported in the P6 acupressure compared to the control group P < 0.009. Overall, P6 acupressure was only marginally more effective than placebo acupressure on the forearms.

    Conclusion: In females with a history of motion sickness P6 acu-pressure increased tolerance to experimental nauseogenic stimuli, and reduced the total number of symptoms reported.

    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-13651 (URN)
    Available from: 2004-05-20 Created: 2004-05-20 Last updated: 2009-08-17
  • 2.
    Alkaissi, Aidah
    et al.
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Evertsson, Karin
    Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Johnsson, Vivi-Ann
    Department of Anaesthesiology and Intensive Care, Västervik Hospital .
    Ofenbartl, Lilli
    Department of Anaesthesiology and Intensive Care, Eksjö Hospital, Linköping, Sweden.
    Kalman, Sigga
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Anaesthesiology and Intensive Care VHN.
    P6 acupressure may relieve nausea and vomiting after gynecological surgery: an effectiveness study in 410 women2002In: Canadian Journal of Anesthesia, ISSN 0832-610X, Vol. 49, no 10, p. 1034-1039Article in journal (Refereed)
    Abstract [en]

    Purpose: To investigate the effect of sensory stimulation of the P6 point on postoperative nausea and vomiting (PONV) after gynecological surgery in the everyday clinical setting (effectiveness study).

    Methods: Four hundred and ten women undergoing general anesthesia for elective gynecological surgery were included in a prospective, consecutive, randomized, multicentre, placebo-controlled, double-blind clinical trial with a reference group. One group was given bilateral P6 acupressure (n = 135), a second group similar pressure on bilateral non-acupressure points (n = 139), and a third group (n = 136) served as reference group. Nausea (scale 0–6), vomiting, pain, and satisfaction with the treatment were recorded. Primary outcome was complete response, i.e., no nausea, vomiting or rescue medication for 24 hr. Results were analyzed by applying logistic regression with indicators of treatments, type of operation and risk score for PONV as explanatory variables.

    Results: Complete response was more frequent in the P6 acupressure group than in the reference group (P = 0.0194) Conversely, the incidence of PONV was 46% in the reference group, 38% after pressure on a non-acupoint and 33% after P6 acupressure. The decrease from 46% to 33% was statistically significant. When considering vaginal cases separately, the decrease in PONV was from 36% to 20% (P = 0.0168). The corresponding decrease from 59% to 55% in the laparoscopic surgery group was not statistically significant.

    Conclusion: P6 acupressure is a non-invasive method that may have a place as prophylactic antiemetic therapy during gynecological surgery.

  • 3.
    Alkaissi, Aidah
    et al.
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Gunnarsson, H.
    Department of Anesthesiology, Västervik Hospital, Sweden.
    Evertsson, Karin
    Department of Anesthesiology, Västervik Hospital, Sweden.
    Johnsson, V.
    Department of Anesthesiology, Västervik Hospital, Sweden.
    Ofenbartl, L.
    Department of Anesthesiology, Eksjö Hospital, Sweden.
    Kalman, Sigga
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Anaesthesiology and Intensive Care VHN.
    Disturbing postoperative symptoms are not reduced by prophylactic antiemetric treatment in patients at high risk for post-operative nausea and vomiting2004In: Acta anaesthesiologica Scandinavica, ISSN 0001-5172, Vol. 48, no 6, p. 761-71Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: To give prophylactics or timely treatment for post-operative nausea and vomiting (PONV) is the question. We compared the intensity and number of disturbing post-operative symptoms (i.e. pain, PONV, headache, fatigue, etc.) after prophylactic antiemetic treatment in a group of patients with >30% risk for post-operative vomiting. METHODS: Four hundred and ninety-five patients, from three hospitals, planned for gynaecological surgery were randomized double blind. They were given granisetron 3 mg, droperidol 1.25 mg or no prophylactic antiemetic. Post-operative symptoms were followed for 24 h using a questionnaire. Symptoms were analyzed both according to their intensity and in a dichotomous fashion. RESULTS: The intensity of different symptoms differed depending on whether droperidol, granisetron or no antiemetic had been given (P = 0.005) but the overall incidence of moderate to very severe symptoms was similar in all groups. No group fared better in general. The total number of symptoms was higher in the groups given prophylactic treatment (P < 0.05). The relative risk reduction for PONV with granisetron or droperidol prophylaxis was 27%[95% confidence interval (CI) 8-43] and 22% (2-38), respectively. The NNT (number needed to treat) for granisetron (0-24 h) was 7 and for droperidol 8. The NNH (number needed to harm) (0-24 h) for headache and visual disturbances was 6 and 13 (NS) for granisteron and, 50 (NS) and 6 for droperidol. CONCLUSION: The intensity of symptoms or the total number of disturbing symptoms did not decrease after prophylactic antiemetic treatment in a group of patients, but the profile of disturbing symptoms changed. The relevance of post-operative symptoms in terms of patients' well-being needs to be addressed.

  • 4.
    Alkaissi, Aidah
    et al.
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Ledin, Torbjörn
    Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Ödkvist, Lars
    Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Kalman, Sigga
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Anaesthesiology and Intensive Care VHN.
    P6 acupressure increases tolerance to nausogenic motion stimulation in women with high risk for PONV2005In: Canadian Journal of Anesthesia, ISSN 1496-8975, Vol. 52, p. 703-709Article in journal (Refereed)
    Abstract [en]

    Purpose: In a previous study we noticed that P6 acupressure decreased postoperative nausea and vomiting (PONV) more markedly after discharge. As motion sickness susceptibility is increased by, for example, opioids we hypothesized that P6 acu-pressure decreased PONV by decreasing motion sickness susceptibility. We studied time to nausea by a laboratory motion challenge in a group of volunteers, during P6 and placebo acupressure.

    Methods: 60 women with high and low susceptibilities for motion sickness participated in a randomized and double-blind study with an active P6 acupressure, placebo acupressure, and a control group (n = 20 in each group). The risk score for PONV was over 50%. The motion challenge was by eccentric rotation in a chair, blindfolded and with chin to chest movements of the head. The challenge was stopped when women reported moderate nausea. Symptoms were recorded.

    Results: Mean time to moderate nausea was longer in the P6 acu-pressure group compared to the control group. P6 acupressure = 352 (259–445), mean (95% confidence interval) in seconds, control = 151 (121–181) and placebo acupressure = 280 (161–340); (P = 0.006). No difference was found between P6 and placebo acupressure or placebo acupressure and control groups. Previous severity of motion sickness did not influence time to nausea (P = 0.107). The cumulative number of symptoms differed between the three groups (P < 0.05). Fewer symptoms were reported in the P6 acupressure compared to the control group P < 0.009. Overall, P6 acupressure was only marginally more effective than placebo acupressure on the forearms.

    Conclusion: In females with a history of motion sickness P6 acu-pressure increased tolerance to experimental nauseogenic stimuli, and reduced the total number of symptoms reported.

  • 5.
    Alkaissi, Aidah
    et al.
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Intensive Care UHL.
    Stålnert, Monica
    Linköping University, Department of Medicine and Health Sciences, Nursing Science. Linköping University, Faculty of Health Sciences.
    Kalman, Sigga
    Linköping University, Department of Medicine and Health Sciences, Anesthesiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Anaesthesiology and Intensive Care VHN.
    Effect and placebo effect of acupressure (P6) on nausea and vomiting after outpatientgynaecological surgery1999In: Acta anaesthesiologica Scandinavica, ISSN 0001-5172, Vol. 43, no 3, p. 270-274Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Acupuncture and acupressure have previously been reported to possess antiemetic effect. We wanted to investigate the "true" and placebo effect of acupressure in prevention of postoperative nausea and vomiting (PONV). PATIENTS AND METHODS: Sixty women undergoing outpatient minor gynaecological surgery were entered into a double-blind and randomised study. One group received acupressure with bilateral stimulation of P6 (A), a second group received bilateral placebo stimulation (P) and a third group received no acupressure wrist band and served as a reference group (R). PONV was evaluated as number of patients with complete response (no PONV), nausea only or vomiting. In addition, the need for rescue antiemetic medication and nausea after 24 h was registered. RESULTS: Complete response was obtained in 11, 11 and 9 patients in groups, A, P and R, respectively. Nine, 7 and 6 patients had nausea before discharge home, and 1, 1 and 8 patients were nauseated (8 vs 1 patient: P < 0.05) 24 h after operation in A, P and R groups, respectively. When compared to placebo acupressure (2 patients vomited and 5 needed rescue), significantly (P < 0.05) fewer needed rescue antiemetic medication after acupressure at P6 (no vomiting or rescue medication). When compared to the observation group (5 vomited and 4 needed rescue antiemetics), significantly fewer vomited after acupressure (P < 0.05) CONCLUSION: In patients undergoing brief gynaecological surgery, placebo effect of acupressure decreased nausea after 24 h but vomiting and need of rescue antiemetics was reduced only by acupressure with the correct P6 point stimulation.

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