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Effect of Noise Control During Total Knee Arthroplasty

B

Bezmialem Vakif University

Status

Completed

Conditions

Knee Osteoarthritis

Treatments

Device: Active noise cancelling
Device: Passive noice cancelling
Device: Active noise cancelling with music therapy

Study type

Interventional

Funder types

Other

Identifiers

NCT05714267
Bvu_Nursing-1

Details and patient eligibility

About

Music has emerged as a well-received medical intervention. Patients may be uncomfortable during total joint replacement, which can result in high sedation requirements. These requirements put patients at risk of surgical stress. This study compares the effect of passive noise-cancellation versus active noise cancellation with music on pain, vital signs and anxiety during elective total knee replacement.

Full description

Unwanted sound that mixes with the sounds being listened to is defined as noise, and the sound community formed by the combination of many noise sources is defined as noise pollution. Environmental noise has many negative effects on human health, such as increasing stress and anxiety, causing the development of cerebral and cardiovascular diseases, and creating a risk of hearing loss.

Today, it is reported that noise pollution in hospitals has increased exponentially compared to previous years . It is reported that the noise is especially at high levels in the operating room units of hospitals and frequently exceeds both the 30 dBA (Decibel A) threshold determined by the World Health Organization and the American Occupational Safety and Health Administration standard. When we look at the studies in which the environmental noise in the operating room environment is examined, it is seen that the noise level varies between 80 and 119 dBA. These noise ranges are determined for both patient and employee health. is beyond the limits.

The noise that patients are exposed to in operating rooms can be caused by both healthcare workers and operating room equipment. Perioperative Nurses Association (AORN) created the "AORN Guide on Managing Distraction and Noise During Perioperative Patient Care" in 2014 to draw attention to the problem of loud noise in the operating room. According to this guideline, updated in 2020, noise is a risky situation that interrupts intraoperative care. For this reason, it is reported that noise should be prevented with an inter-team approach in order for effective care and treatment to continue. In the AORN report, it is reported that among the sources of noise are monitors, ventilators, air conditioning systems, telephones, pagers, surgical equipment, anesthesia devices, conversations within the team, and loud music. The methods used in surgeries and the choice of surgical instruments also affect noise levels. For this reason, it can be said that noise levels may change in surgeries performed with different instruments in different parts of the body. Especially in knee and hip replacement surgeries, when tools such as oscillator saws, hammers and surgical drills, which are used to shape the joint and replace the joint prosthesis, are used during the operation, it creates a higher noise compared to other surgeries. Simpson reported in their study that the noise level of the instruments used during knee and hip replacement surgery increased up to 105 decibels. While this noise level is equivalent to the noise heard while waiting next to a working helicopter, it is well above the thresholds recommended by NIOSH, OSHA and WHO.

It is reported that the negative effects of environmental noise during surgery on patients are controlled with sedative agents given to the patient during surgery. In addition, it is known that patients are made to listen to music to reduce the effect of environmental noise and to relax the patient. When the studies are examined, it is seen that there are limitations in both methods used. Listening to louder music so that the high-frequency sounds that occur during prosthetic surgeries are not heard by the patients can be another source of anxiety for the patients. Sedative opioid agents given to calm patients pose various risks, such as respiratory depression, death or permanent brain damage, and this is defined as a patient safety problem in the literature. Since the degeneration (arthrosis) of the knee joint will occur over the years, the patient population in need of prosthesis is generally geriatric. This situation causes the adverse risks of sedation on elderly patients to be much higher. The operating room nurse should take the necessary measures to reduce the stress, fear and anxiety of the patient who will undergo surgery. It is one of the independent roles of the nurse to ensure that non-pharmacological methods are used instead of pharmacological sedative agents applied to the patient.

Active noise control is one of the methods in which the noise is controlled with headphones that produce a sound in phase opposite to the environmental noise, and passive noise control is one of the methods in which the noise is controlled by the isolation method. Music therapy, on the other hand, lowers the blood pressure and pulse of the patients, regulates the respiratory rate and increases the oxygen saturation.

Enrollment

100 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Being between the ages of 18-80
  • To participate in the research voluntarily,
  • To be able to read and write Turkish,
  • American Association of Anesthesiologists (ASA) classification I or II,
  • To have total knee arthroplasty surgery due to joint degeneration (gonarthrosis),
  • Not using any medication that will affect anxiety,
  • To be problem-free in terms of sensory perceptions and communication,
  • The patient is conscious, oriented and cooperative.

Exclusion criteria

  • Having a total knee replacement surgery due to an acquired physical trauma to the knee joint,
  • Presence of diagnosed cancer in the patient.
  • Being diagnosed with any psychiatric illness,
  • Having previously undergone arthroplasty surgery (Revision arthroplasty).

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

100 participants in 4 patient groups

Active noise cancelling
Experimental group
Description:
Patients corresponding to the number 1 blocks in the randomization table according to the order of surgery were included in the active noise control group. Preoperative care of the patients was performed by clinical nurses. After transferring to the operating room and performing spinal anesthesia, the active noise control headset (Sony WH1000xm4) was placed on the patient's head. The active noise control feature of the headset was turned on and it was not removed until the dressing of the patient was closed at the end of the operation. In this group, the vital signs of the patients were followed up during the surgery. At the end of each surgery, the researcher disinfected the earplugs with an antiseptic solution containing 2% chlorhexidine. In addition, the battery level of the headset was checked and charged by the researcher when necessary. This ensures that the headset is ready for the next patient.
Treatment:
Device: Active noise cancelling
Passive noise cancelling
Experimental group
Description:
The patients corresponding to the number 2 blocks in the randomization table according to the order of operation were included in the passive noise control group. Preoperative care of the patients was performed by clinical nurses. After transferring to the operating room and performing spinal anesthesia, passive noise control headset (3M Peltor Optime II) was placed on the patient's head. The earphone was not removed until the dressing of the patient was closed at the end of the surgery. In this group, the vital signs of the patients were followed up during the surgery. At the end of each operation, the earplugs were disinfected by the researcher with an antiseptic solution containing 2% chlorhexidine and prepared for the next patient.
Treatment:
Device: Passive noice cancelling
Active noise cancelling with music therapy
Experimental group
Description:
Patients corresponding to blocks numbered 3 in the randomization table according to the order of surgery were included in the music therapy group. Preoperative care of the patients was performed by clinical nurses. After transferring to the operating room and performing spinal anesthesia, the headset (Sony WH1000xm4) was positioned on the patient's head as shown in Figure 3.7-5 (A). iPod Touch 7th Generation music player with Spotify mobile application was used for music application. The connection between the headset and the music player was provided via Bluetooth. Music chosen by the patient; Active noise control was turned on and the patient was listened to until the dressing was removed at the end of the operation. The vital signs of the patient during the operation were followed up. In addition, the battery level of the headset was checked and charged by the researcher when necessary. This ensures that the headset is ready for the next patient.
Treatment:
Device: Active noise cancelling with music therapy
Control group
No Intervention group
Description:
Patients corresponding to blocks numbered 0 in the randomization table according to the order of surgery were included in the control group. The patients, whose preoperative care was performed by clinical nurses, were transferred to the operating room and spinal anesthesia was administered. No intervention was made in this group during the surgery. The vital signs of the patients were followed up during the operation.

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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