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Anaesthetic Complications in Immediate Postoperative Period during Ambulatory Paediatric Surgery at the National Hospital of Zinder in Children aged 0 to 5 years

Article Information

Magagi Amadou1*, Boukari Mahamane Bawa2, Maikassoua Mamane3, Habou Oumarou4, Rabiou Maman Sani5

1Department of Anaesthesia and Intensive Care of the National Hospital of Zinder, University of Zinder, Niger

2Department of Anaesthesia and Intensive Care of the National Hospital of Niamey, Abdou Moumouni University of Niamey, Niger

3Department of Anaesthesia and Intensive Care of the Reference Hospital of Maradi, Dan Dicko Dankoulodo University of Maradi, Niger

4Paediatric surgery department of the national hospital of Zinder, University of Zinder, Niger

5Neurosurgery Department of Zinder National Hospital, University of Zinder, Niger

*Corresponding Author: Magagi Amadou, Faculty of Health Sciences, University of Zinder, National Hospital of Zinder, Department of Anaesthesia and Intensive Care, Niger

Received: 06 January 2022; Accepted: 12 January 2022; Published: 31 January 2022

Citation: Magagi Amadou, Faculty of Health Sciences, University of Zinder, National Hospital of Zinder, Department of Anaesthesia and Intensive Care, Niger

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Abstract

Introduction

Anaesthesia is a field procedure. Paediatric anaesthesia requires vigilance and rigour at all stages. It must be carried out in an adapted structure by a team accustomed and updating its knowledge. What complications of paediatric anaesthesia in outpatient surgery?

Objective

Evaluation of immediate postoperative complications of paediatric anaesthesia in outpatient surgery.

Patients and method

Prospective, descriptive and analytical study of 160 cases of outpatient surgery performed at the national hospital of Zinder over six months from 1 January to 30 June 2018. Included were children aged 01 month to 05 years operated during outpatient surgery. The variables were epidemiological data, ASA class, type of anaesthesia, operative indications and patient outcome.

Results

During the study period 160 anaesthesias were performed. The mean age of the patients was 27.44 months with extremes from 01 month to 60 months. The sex ratio was 3.8 in favour of boys. ASA I class represented 80% of the patients. General anaesthesia with intubation was the technique of choice in 82.50%. The drugs frequently used were ketamine, propofol, halothane and fentanyl. The main operative indication was hernia in 63.12% of cases. The complications observed were bursal haematoma (06.87%), respiratory complications (03.12%) and hyperthermia (01.25%) of cases. The evolution was favourable for all patients and no deaths were recorded.

Conclusion

Paediatric anaesthesia for outpatient surgery generates fewer complications if it is carried out in a suitable structure and by staff who are used to it and have updated their knowledge. This practice should be popularised as it allows us to relieve congestion in our departments with limited beds.

Keywords

Anaesthesia, Paediatric surgery, Ambulatory, Complications

Anaesthesia articles; Paediatric surgery articles; Ambulatory articles; Complications articles

Article Details

1. Introduction

Anaesthesia is an act that can be performed in any field. The anaesthesia of a child, whatever the type of intervention planned and the pathologies, must be carried out in an adapted structure and by experienced personnel. The physiological, anatomical and pharmacological particularity of the child makes this anaesthesia a challenge and requires rigour and vigilance. Complications can occur at any time during the course of this anaesthesia and in the postoperative period. In this study, we present the complications that occurred during paediatric outpatient surgery. The main aim of this study was to assess the quality of paediatric anaesthesia for outpatient surgery.

2. Patients and Methods

This was a prospective, descriptive and analytical study of 160 cases of outpatient surgery from 1 January to 30 June 2019, a period of six months. The study took place at the national hospital of Zinder. Created in 1953, it is the main regional reference centre for paediatric surgery. It had five functional operating theatres (paediatric, urological, visceral, ortho-traumatological, ophthalmological). The target population consisted of all patients admitted to the hospital for surgery. Patients aged between 01 month and 05 years who underwent outpatient surgery were included. Patients under 1 month and over 5 years of age were not included. The variables studied were age, sex, surgical indication, history, origin, type of anaesthesia, ASA class, and surgical complications. The data were collected from the anaesthesia consultation form, the patient file, and the questioning of the family during the anaesthesia consultation. Data analysis was done by epi info software SPSS.

3. Results

During the study period 160 anaesthetics were performed. The mean age of the patients was 27.44 months with extremes from 01 month to 60 months. The age group 01 month to 36 months was the most affected with 72.12% of cases, i.e. 125 patients. We recorded a male predominance with 79% of boys against 21% of girls, the sex ratio was 3.8 in favour of boys. Hernia or swelling of the umbilical region was the main reason for consulting patients. Hernia repair was the main indication for surgery with 101 cases, i.e. 63.12%.  Umbilical hernia was the first indication for hernia surgery with 37.50%. The cure of a hydrocele was the second most common indication with 23 cases, i.e. 14.37%.

We recorded 02 cases (01.30%) of medical history and 04 cases (02.50%) of surgical history. The history of hereditary disease represented 04 cases and the notion of consanguinity was found in 59 cases or 36.87%. Eight (08) cases of a history of hernia in the siblings were recorded.

The patients were ASA I in 128 cases (80%) versus 32 cases (20%) ASA II.

General anaesthesia (GA) with orotracheal intubation was the most common technique with 78 cases or 48.75%. General anaesthesia by mask represented 54 cases or 33.75%. Locoregional anaesthesia was used in only 17.50% or 28 cases. During the course of the anaesthesia and / or post-operative complications were observed. The immediate post-operative complications were summarised in the table below.

Bursal haematoma was the main complication followed by respiratory distress. Seventeen patients had late surgical complications. Contralateral hernia was observed in 05.62% of patients, i.e. 09 cases. Overall, the evolution was favourable, with no cases of death recorded.

4. Discussion

Few works existed on the anaesthesia of the child for ambulatory surgery in Africa and especially in Niger. The average age of our patients was 27.44 months with a minimum age of 01 month and a maximum of 60 months. Mejdahl and colleagues [21] in Pakistan on an outpatient surgery involving 368 cases, found a mean age of 6 months with extremes of 04 months and 15 years. For Audry and colleagues in [15,19] France at the CHU of Montpellier on 149 cases of paediatric outpatient surgery recorded a mean age of 29 months where the minimum age was 08 days and the maximum was 15 years. As for Taiwo and colleagues [1] in Ilorin, Nigeria on a study of 449 cases noted a mean age of 37.6 months with a minimum age of 20 days and a maximum of 15 years.  It was found that our figure was closer to those of Taiwo and Audry. From these studies it appeared that age was no longer a barrier to anaesthesia in paediatric outpatient surgery thanks to the progress made both in technique and in postoperative analgesia. We recorded a predominance of 70.4% versus 20.6% with a sex ratio of 3.6.  These figures were close to those of Taiwo, Audry and Mejdahl who found a sex ratio of 4.3, 2.3 and 3.6 respectively. This male predominance could be explained by the existence of pathologies that only concern boys such as phimosis, testicular migration anomalies, and inguino-scrotal hernia. In our series, more than half (78.80%) of the patients were from the urban community of Zinder, where the anaesthesia was performed. The same observation was made by Audry [15,19] with 89%, Taiwo [1] with 84%. Among the antecedents, consanguinity was the most common with 36.87%.  This consanguinity could be explained by consanguineous marriage in Niger. Umbilical hernia was the main indication for surgery observed with 37.5% followed by hydrocele with 14.37%. For Taiwo's team [1], hernias and hydrocele represented 71.2%; cryptorchidism 08.7%.  In Audry's series [15,19] cryptorchidism and hydrocele accounted for 55.8% followed by hernias with 34%. Mejdahl [21] reported hernia at 39.7%, hydrocele at 18.5% and cryptorchidism at 12.5%. In our study general anaesthesia was the technique of choice in 82.50% against 17.50% of loco-regional anaesthesia. The same observation was made by Medjhal [21] with 92% of general anaesthesia against 08% of locoregional. For Audry [15,19] general anaesthesia occupied 90% of cases against 10% for locoregional. It was found that general anaesthesia with orotracheal intubation was the technique of choice for this type of surgery. Complications in the immediate postoperative period were bursal haematoma (06.78%) followed by respiratory complications (05 cases), hyperthermia and convulsion. For Mejdhal [21], bursal haematoma represented 08% and hyperthermia 01.48%. Audry [15,19] recorded 03 cases of bursal haematoma and no other immediate complications.

In our case, the hyperthermia could be explained by malaria, a very frequent endemic disease in Niger, especially in the rainy season. In our series, the medium and long term complications that we observed were the appearance of contralateral hernia for 5.62%, i.e. 09 cases, infection for 1.87%, i.e. 03 cases and one case of cryptorchidism. The same observation was made by Mejdahl [21] and colleagues who recorded 02 cases of recurrence, Audry [15,19] found 05 cases of hernial recurrence.  We had recorded no cases of death, the same result was observed by authors like Medjahl, Audry, Taiwo [1,15,19,21]. These results proved that anaesthesia for ambulatory surgery had less postoperative complications and a low morbidity rate provided that it was performed in an adapted structure and by a team used to putting the little one to sleep.

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Figure 1: Distribution of patients by age group

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Figure 2: Operative indicators

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Figure 3: Type of anesthesia

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Figure 4: Immediate postoperative complications

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Figure 5: Medium term surgical operations

5. Conclusion

Anaesthesia for outpatient surgery in children aged one month to five years had a good prognosis. This anaesthesia generated fewer complications if it was performed in an adapted structure and by a team used to taking care of the child. Practised in ambulatory surgery, paediatric anaesthesia contributes to the decongestion of the department in view of the limited number of beds and the increasing number of patients waiting for surgery. This technique should be popularised in our hospitals in the limited time available.

Conflict of interest for each author

The authors declare no conflicts of interest.

Authors' contributions

All authors contributed to the development of this study and declare that they have read and approved this manuscript.

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