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  • ISSN: 2333-6641
    Int J Clin Anesthesiol 1(1): 1016.
    Submitted: 30 June 2013; Accepted: 28 November 2013; Published: 04 December 2013
    Research Article
    Assessment of the Care of Acute Pain at the Trauma Center of Ouagadougou
    Kaboré R. A. F.1#*, Ki K. B2, Traoré I.A.2, Compaoré S.3, Bougouma CTW4, Damba J5, Bonkoungou PZ5, Sanou J.5 and Ouedraogo N5
    1Anesthesiology and Intensive Care Unit, Charles de Gaulle University Hospital of Ouagadougou, Burkina Faso
    2Anesthesiology and Intensive Care Unit, Souro Sanou University Hospital of Bobo Dioulasso, Burkina Faso
    3College of Public Health/ The Nebraska Medical Center, USA
    4Anesthesiology and Intensive Care Unit, Blaise Compaore National Hospital, Burkina Faso
    5Department of Anesthesiology and Intensive Care Yalgado Ouedraogo University Hospital of Ouagadougou, Burkina Faso
    6Anesthesiology and Intensive Care Unit, Yalgado Ouedraogo University Hospital of Ouagadougou, France
    7Emergency Department, Yalgado Ouedraogo University Hospital of Ouagadougou, France
    #Personal address: 01 BP 3991 Ouagadougou 01 Burkina Faso
    *Corresponding author: Kaboré Rawéléguinbasba Armel Flavien, Anesthesiology and Intensive Care Unit, Charles de Gaulle University Hospital of Ouagadougou, France, Email: kflavien@hotmail.com, kflavien72@yahoo.fr
    Abstract
    Introduction: Pain is a frequent reason for patients visit in trauma centers, but it care remains insufficient for many reasons. The goal of this study was to assess the care of pain at the trauma center of the Yalgado Ouedraogo University hospital in Ouagadougou.
    Methods: Observational study concerning the care of pain for patients admitted in the trauma center during the study timeframe.
    Results: In total, pain was evaluated in 174 patients during the study timeframe. The patients' sex ratio was 2 with a mean age of 31.3 +/-11 years. The mean time before the first clinical exam was 9 minutes. The main traumatic injuries were cutaneous wounds (39.1%), bone fractures (33.3%), and muscular contusions (11.5%). The pain was assessed for 54% of patients. The assessment involved non systematic questioning in 91.1% of cases. An analgesic treatment was administered to 80.5% of patients. This treatment was exclusively made of medications containing an association of acetaminophen and nefopam for 36.2% of patients. Morphine and peripheral nerves blockers have never been used. The pain was relieved in 67.4% of patients after the treatment and 58.6% of the patients were entirely satisfied with the care at the discharge time from the trauma center.
    Conclusion: Pain management at the trauma center remains insufficient. The training of the staff and the use of validated therapeutic protocols would improve patients comfort and the quality of care.
    Keywords: Acute pain; Assessment; Treatment; Trauma center Ouagadougou
    Introduction
    Acute pain is a main issue in the trauma wards of emergency departments. Indeed pain is closely related to trauma by the damage of body tissues and the activation of nociceptors. Pain is the most of the time experienced by the complaint of patients. The prevalence of pain in trauma center has been estimated between 75% and 91% [1-3]. It has been estimated that around 40% of patients suffering from pain in trauma in Emergency Room do not receive analgesics [3]. Likewise, the insufficiency of pain treatment is the reason of patients' dissatisfaction at the discharge from the Emergency Room [3]. Though, the correct care for pain eases the process of injuries assessment, for instance imaging studies, it allows a quick mobilization of the patient and shorten the hospital length of stay [5]. Additionally, the correct care for pain allows a good relationship between the patient and the care providers [6,7]. Conversely to post-surgical pain which treatment is recognized mandatory and well codified, pain in Emergency Department is underestimated, under-assessed and then insufficiently treated [2,8,9,10]. Vital distresses are very often prioritized.
    The goal of this study was to assess pain management in the trauma center of Ouagadougou.
    Material and Methods
    Study and setting
    It is an observational study conducted from February 22nd to March 22nd 2012 in the trauma center of the Yalgado Ouedraogo University Hospital (CHUYO). The CHUYO is one of the national adult trauma referral centers in Burkina Faso. The emergency department (ED) of this trauma center receives all patients with multiple trauma. Patient with isolated abdominal trauma are cared for in a different ward of the hospital.
    Patients were admitted on a permanent basis by finishing-medical students (interns and fellows) under direct supervision of junior surgeons (physicians specializing in surgery). Seniors surgeons are on call and requested when necessary.
    Patients and methods
    All patients admitted in the ED for trauma were eligible to participate in the study. Patients with confusion, acute alcoholic intoxication signs, immediate vital distress, chronic pain, a language barrier or care opposition were not included in the study. Only patients giving their consent were finally included and analyzed.
    The survey took place every day of the week from 8.00 a.m to 8.00 p.m of the study month. An investigator, not involved in the patients' care, screened all eligible patients. In the ED, when patients were eligible and gave their informed consent, the investigator collected socio-demographic data and then followed the care from the admission to the patient's discharge. The information on pain assessment and treatment were completed using the patient file (medical prescriptions, nursing and surveillance files). The data recorded on the survey sheets were: patient medical history, circumstance of trauma, mean of transportation to the ED, type of injuries, time sequence (arrival, admission, first pain evaluation, first pain treatment, discharge from ED), the method of pain evaluation used (verbal scale, numeric scale, analogic scale or basic questioning). The strategy of pain treatment was also recorded: pharmacological treatment (drugs used, dose, time of administration) and non pharmacological (circular cast, pose of splint, bandaging, use of sling and traction). The outcome and type of discharge from ED (hospital, death, transfer, home) were also noted. At the end of the stay in the ED, a questionnaire was submitted to each patient in order to assess their satisfaction regarding the treatment received: listing of painful procedures, assessing time to pain relief (no, short, medium, long) and giving a global level of satisfaction on pain treatment in ED.
    Statistical Analysis
    Nominal variables were expressed in percent numbers, and continuous variables were expressed in mean and student deviation. The Chi-square test was used to compare frequencies with a chosen significance level of 0.05. The data were analyzed using Epi Info 6.0 and SPSS 16.
    Results
    Eight hundred and forty patients were admitted in the trauma center during the study period. Among those patients, 174 (21%) were included in the study. The mean age of the patients included in the study was 31.3 ± 11.6 years with extreme values of 15 and 70. The most represented range of age was the 26-35 year-olds (35.6%). Males were predominant gender: 66.7 % (sex ratio=2). The main injuries at patients' admission are presented in Table 1. Most of patients (74.1%) were brought to the trauma center by the firefighter rescuers. The mean wait time to the first medical examination was 9 minutes with extreme values of 1 to 60 minutes. The pain was intense in all the patients assessed by the mean of the verbal scale. For 70 patients, the treatment was administered without a preliminary assessment of the pain. For the pharmacological treatment, the association of acetaminophen (1g) and nefopam (20mg) every 6 hours was used in all patients. Morphine and peripheral blockers have never been used. The mean waiting time in the trauma center before the analgesic infusion was 77 ± 5 minutes and the extremes were 5 and 285 minutes. Around half of the patients were relieved by the analgesic treatment (Figure 1). Pain was evaluated for by the staff in 94 patients (54%) at admission (Table 2). In 91.5%, the pain assessment method consisted in non-systematic questioning. Details concerning pain assessment and treatment in our cohort are shown in Table 2.
    Table 1 Patients' lesions distribution. Other*: spinal trauma, retroperitoneal hematoma.

    Type of injury

    Number of patients (n)

    Percent (%)

    Cutaneous wounds

    68

    39.1

    Bone fractures

    58

    33.3

    Muscle contusions

    20

    11.5

    Dislocation

    6

    3.4

    Sprain

    14

    8

    Other*

    8

    4.5

    Total

    174

    100

    Table 1 Patients' lesions distribution. Other*: spinal trauma, retroperitoneal hematoma.

    ×
    Figure 1 Efficiency of the analgesic treatment.

    Figure 1 Efficiency of the analgesic treatment.

    ×
    Table 2 Pain assessment and treatment: n (%).

    Method of pain assessment

    Pain assessment

     

    No assessment of pain

    Total

    • Verbal scale
    • Non systematic questioning 

    8 (4.6)

    86 (49.4)

     

    94 (54)

     

    Analgesic treatment

    • Pharmacological : 63 (36.2)
    • Non pharmacological : 21 (21.1)
    • Both : 56 (32.2)

    70 (40.2)

    70 (40.3)

    140 (80.5)

    No analgesic treatment

    24 (13.8)

    10 (5.7)

    34 (19.5)

    Total

    94 (54)

    80 (46)

    174 (100)

    Table 2 Pain assessment and treatment: n (%).

    ×
    The timeframe in achieving analgesia was judged as short by the patients in 67.4% of the cases. Pain was reassessed after treatment in 20 patients (14.3%) over the total of 140 patients who received the analgesic treatment. The method used for this second evaluation was non-systematic questioning in 16 patients (80%) or the verbal scale (20%). A pain caused or worsened by any non pharmacological treatment was reported by 52 (30%) patients. The procedure that caused more often pain was the mobilization of the limbs during the clinical examination. Table 3 summarizes the main painful maneuvers.
    Table 3 Distribution of painful maneuvers as reported by patients.

    Procedure

    Number of patients (n)

    Proportion (%)

    Clinical exam

    16

     30.8

    Imaging studies

    12

     23.1

    Nursing care

    12

     23.1

    Stretcher carrying

      2

       3.8

    Other procedures

    10

     19.2

    Table 3 Pain assessment and treatment: n (%).

    ×
    Twelve patients (6.9%) were warned of the possibility of pain worsening before a potential painful procedure. Over these twelve patients, three of them stated that they got analgesic treatment after the painful procedure but none received any painkiller before the procedure. More than half of the patients (97) were discharged with an analgesic prescription. The association of acetaminophen and diclofenac per os was the most frequent prescription (30.9% of all prescriptions). The ways patients exited from the trauma center are summarized in Table 4. In total, the majority of the patients were entirely satisfied with the care of their pain (Figure 2)
    Table 4 Distribution of patients according to the exit mode.

    Exit mode

    Number of patients (n)

    Percent (%)

    Discharge home

    143

    82.2

    Observation

    15

    8.6

    Discharge against medical advice

    10

    5.7

    Hospitalization

    6

    3.4

    Total

    174

    100

    Table 4 Distribution of patients according to the exit mode.

    ×
    Figure 2 Patients level of satisfaction concerning the care for their pain treatment at the trauma center.

    Figure 2 Patients level of satisfaction concerning the care for their pain treatment at the trauma center.

    ×
    Discussion
    We conducted this month-long study with the goal of making an assessment of the care of acute pain in the trauma center of the CHUYO which is a reference center for the treatment of trauma pathologies in Burkina Faso. The study yielded that pain was under assessed (66% of them did not have pain evaluation) and insufficiently treated (19.5% of them did not have pain treatment) in the trauma center.
    The treatment of acute pain should always starts with an assessment. Indeed identifying the level of pain is necessary to target the adequate analgesic treatment [11]. The lack or the under evaluation of pain are the main causes of oligoanalgesia in the Emergeny Department [12]. Berthier F and al noticed that 42% of patients with trauma did not have any assessment of their pain in the ED of a trauma center. In our study, the pain was not systematically assessed either since only half of the trauma patients admitted in the trauma center had a pain assessment. Additionally, the tools to assess the pain in our study were not uniform and not always valid because they could not allow a proper scaling of the pain [11,13].
    When the Simple Verbal Scale was used it allowed the identification of an intense pain in assessed patients. A systematic assessment of the pain with a validated scale would have found a higher number of patient suffering from pain. The lack of prehospital medical care could be the reason of a high prevalence of pain in the trauma center. Indeed, the transportation of patients by a mobile emergency medical unit was noticed to be a predictive factor of obtaining analgesia in patients before their arrival at the trauma center [6]. Prehospital transportation of patients towards hospital is done by firefighters in Burkina Faso. They only perform a contention using splints or other methods but they do not administer analgesics. In spite of the low rate of pain assessment, an analgesic treatment was done in 80.4% of patients. However there was a long timeframe before the start of the treatment (77 +/- 5 minutes). In our hospital, the lack of prepaid treatment system and the non-availability of analgesics in emergency could explain the long waiting time. No matter what the level of pain, the molecules used for the pain treatment was the same for all patients. The medications were all from the level I of the World Health Organization (WHO) painkillers classification. This class of medications is designed to treat pain from low to moderate intensity [14]. However, pain killers should be used taking into account the intensity of the pain and the potential contraindications [15]. All our patients whom have their pain assessed by the Simple verbal Scale had an intense pain (18%). Morphine or locoregional echo-guided analgesia was however indicated in those patients [16]. The lack of morphine usage and peripheral nerves blockers stems from many factors: the non availability of morphine out of surgery theaters and the lack of training of Emergency Room personnel to the use of morphine and the lack of material and knowledge to perform locoregional anesthesia.
    At the end of their treatment in the trauma center, the majority of patients (82.2%) left the hospital and went directly home. More than half of them (55.5%) were prescribed an analgesic treatment at the discharge time. This assessment shows a low interest of the care givers for the pain management; the treatment of the causing pathology being the priority. Over all the patients surveyed, only 58.6% stated being satisfied by the care of the pain. This rate is lower than the one of Harel, et al. [5] during an assessment of pain in emergency units of Basse Normandie in France. They found in their study that 88.1% of patients were satisfied of the pain management despite 10% of them having their pain alleviated at discharge time [5].
    Our results mirror the quality of the care provided in the trauma center. Indeed, the patients' level of satisfaction concerning the care of their pain in a hospital unit is indicative of the quality of care [17].
    Our study was useful in pointing out the lack of communication between care providers and patients. Indeed, 44.3% of patients stated that they did not receive any analgesic during their hospital stay while their medical files showed that only 19.5% of them did not receive an analgesic. These discrepancies picture the lack of informing patients on their treatment and contribute in deteriorating the relationship between the care givers and the patients.
    Limitations
    During our study, we included 21% of all patients admitted in the trauma center at that time. The low inclusion proportion was due to a high rate of exclusion of certain patients because of language barriers. Also, the information gathering only covered 12 hours of the day. Besides these selection biases, the presence of an observer could cause a change in the treating staff behavior.
    Conclusion
    Acute pain is frequent in the trauma center of the Yalgago Ouedraogo University hospital. As far, pain still lack of systematic assessment and targeted treatment. Almost half of the patients were not satisfied of the care they received. Training the staff and the institution to validated treatment protocols would probably improve patients comfort and the quality of the care
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    Cite this article: Kabore RA, Ki KB, Traore AI, Compaore S, Bougouma CT, et al. (2013) Assessment of the Care of Acute Pain at the Trauma Center of Ouagadougou. Int J Clin Anesthesiol 1(3): 1016.
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