REVIEW ARTICLE Year : 2021  |  Volume : 37  |  Issue : 2  |  Page : 153-159

Sugammadex and anaphylaxis: An analysis of 33 published cases

Baris Arslan, Tuna Sahin, Hatice Ozdogan
Department of Anesthesia and Intensive Care, Adana City Training and Research Hospital, Adana, Turkey

Date of Submission15-Nov-2019Date of Acceptance24-Feb-2020Date of Web Publication15-Jul-2021

Correspondence Address:
Dr. Baris Arslan
Adana Sehir Egitim ve Arastirma Hastanesi, Kisla Mah. Dr. Mithat Ozsan Blv. No: 1 010650 Yuregir/Adana
Turkey

Source of Support: None, Conflict of Interest: None

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DOI: 10.4103/joacp.JOACP_383_19

In this study, the published sugammadex-induced anaphylaxis reports were reviewed to determine similarities in their presentation during anesthesia. PubMed was searched for sugammadex-induced anaphylaxis without time limitation. Reports were evaluated if they were in English and met the criteria of anaphylaxis determined by the World Allergy Organization. Two independent reviewers extracted and assessed the data using predesigned data collection forms. In total, 23 suitable articles were found and 33 sugammadex-induced anaphylaxis cases were included in the study. The mean age was 43.09 years (from 3–89 years) and 17 (51.5%) of the patients were female. Considering all reported cases, the average onset time of anaphylaxis was 3.08 min, with a median of 3 min (range 1–8 min). The most common signs and symptoms were hypotension, tachycardia, erythema, and desaturation. Of the 20 patients who underwent confirmatory skin testing, 15 had a positive skin reaction for sugammadex. Epinephrine was not given when indicated in about 25% of cases. Sugammadex-induced anaphylaxis onset time was less than 5 min in 92.3% of all the reported cases. Rapid diagnosis and early recognition of signs and symptoms of anaphylaxis are essential for a favorable prognosis. Treatment needs to be started as soon as possible to ensure the best outcome for the patient.

Keywords: Adverse event, anaphylaxis, gamma-cyclodextrin, rocuronium bromide, sugammadex

How to cite this article:
Arslan B, Sahin T, Ozdogan H. Sugammadex and anaphylaxis: An analysis of 33 published cases. J Anaesthesiol Clin Pharmacol 2021;37:153-9
How to cite this URL:
Arslan B, Sahin T, Ozdogan H. Sugammadex and anaphylaxis: An analysis of 33 published cases. J Anaesthesiol Clin Pharmacol [serial online] 2021 [cited 2021 Jul 15];37:153-9. Available from: https://www.joacp.org/text.asp?2021/37/2/153/321415   Introduction 

Anaphylaxis is described as a severe, life-threatening, generalized or systemic hypersensitivity reaction. It occurs rarely during surgery and anesthesia but neuromuscular blocking agents, non-steroidal anti-inflammatory drugs (NSAIDs), and antibiotics are considered common causes of anaphylaxis.[1],[2],[3] The clinical findings are the result of the immediate and continuing release of preformed mediators from mast cells and basophils.[2],[4] The symptoms and signs such as skin rash, hypotension, tachycardia, and wheezing, present suddenly after the injection of allergic agents.[1],[3],[5],[6] Knowing, as far as possible, the agents that can trigger anaphylaxis is essential for patient safety.

Sugammadex is a synthetic modified gamma-cyclodextrin derivative first designed to selectively bind to the steroidal neuromuscular blocking agent molecule to provide rapid recovery of neuromuscular function.[7] Sugammadex is extensively used for reversing the effects of rocuronium and to a lesser extent, vecuronium. It has been in use since 2008 and is now available in many countries. When compared with neostigmine, sugammadex more rapidly reverses rocuronium-induced neuromuscular blocks and has a better safety profile. A recent study reported that patients receiving sugammadex had a lower risk of bradycardia, postoperative nausea, and vomiting and showed fewer signs overall of postoperative residual paralysis.[8] Despite the many advantages sugammadex provides, one of the major concerns is the allergic reactions that it may trigger.

The first case related to sugammadex-induced anaphylaxis during anesthesia was reported in 2011, and the number of new cases continues to increase each year.[9] The aim of the study was to analyze the main characteristics of patients who experienced sugammadex-induced anaphylaxis during anesthesia, the timing of clinical presentation, the treatment preferences, and the outcomes of these patients, as reported in the literature.

  Methods 

To investigate this topic, relevant English language studies were identified through PubMed on the 1st of May 2019. For our search, we used the following keywords: ''sugammadex AND (anaphylaxis OR hypersensitivity)''. No filters were applied.

Using predesigned data collection forms, data were extracted and analyzed independently by two authors from the ultimately included studies. A third author resolved any discrepancies arising during the study selection, data extraction, or trial evaluation. The full texts of the relevant studies were then assessed to determine whether they met the predetermined selection criteria: (1) the full manuscript of the article was written in English and; (2) the study met anaphylaxis criteria according to the World Allergy Organization (WAO). Anaphylaxis was established as adverse effects on two or more body systems.[10]

The anaphylaxis cases were analyzed in terms of the following: age, sex, country, year, signs and symptoms, physical examination findings, time from symptom onset to diagnosis, surgical speciality, history of allergies, cardiopulmonary resuscitation (CPR), total amount of sugammadex given, treatment, epinephrine use and route, and results of a skin-prick test or an intradermal test. Patients treated with antihistamines, beta-2 adrenergic agonists, and/or glucocorticoids were considered to have received second-line treatment. If time to reaction or history of atopy or CPR were not documented, these were recorded as "Not reported (NR)." Anaphylactic reaction severity of each case was also graded by the authors based on the four levels of symptom profiles proposed by Mertes et al., namely,[6] grade 1 = presence of cutaneous signs; grade 2 = the involvement of at least 2 organ systems, measurable but not life-threatening symptoms; grade 3 = signs of circulatory and/or respiratory failure/shock; and grade 4 = circulatory or respiratory arrest.

Data were analyzed using the PRISMA methodology.[11] A descriptive analysis of the available data estimated the cumulative number of sugammadex-induced anaphylaxis cases and their distribution according to the selected variables. Data were reported as mean (standard deviation), median (interquartile range), range, and number (percentage), as indicated.

  Results 

We identified 31 records of previously reported sugammadex-induced anaphylaxis in 45 patients [Figure 1]. Eight records with 12 cases were excluded from the study for the following reasons: (1) the full text of the study was in Japanese in five records; (2) one record did not meet the criteria of anaphylaxis of the WAO; (3) one record was not under anesthesia; and (4) the full text of one record could not be retrieved. The remaining 23 records were analyzed in-depth and their references explored.[9],[12],[13],[14],[15],[16],[17],[18],[19],[20],[21],[22],[23],[24],[25],[26],[27],[28],[29],[30],[31],[32]

Figure 1: PRISMA flow diagram. Studies initially evaluated for the current pooled analysis and reasons for exclusion

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A total of 33 cases were reported in the 23 records. The patients involved were mainly women (51.5%) and the average age was 43.09 years (from 3–89 years) [Table 1]. Most cases were adults (n = 27). Of the 6 paediatric cases, 4 were teenagers (defined as 11–18 years). The largest contribution of literature was in 2018. Japan reported the majority (n = 21), followed by England (n = 3). Ten surgical specialties reported cases of sugammadex-induced anaphylaxis, with the most commonly affected specialities being ear-nose-throat surgery (n = 7, 21.2%), general surgery (n = 6, 18.2%), and orthopaedic surgery (n = 3, 9.1%). A history of atopy was reported in only 9 patients (27.3%).

Table 1: Characteristics of the 33 cases of sugammadex-induced anaphylaxis during anesthesia

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[Table 2] details the incidence of signs and symptoms associated with sugammadex anaphylaxis. The most common signs and symptoms were hypotension, tachycardia, erythema, and desaturation. Epinephrine was required in 25 patients (75.7%). Of the 33 patients, only 2 patients (6.1%) received epinephrine by an intramuscular route. In total, 30 (90.9%) patients received second-line treatment for anaphylaxis. Overall, 18.1% (n = 6) of the patients required reintubation. Most reactions were categorized as grade III (84.8%) or grade IV (9.1%). One patient (3%) received active chest compressions. Importantly, all patients eventually recovered.

Table 2: Signs and symptoms of sugammadex-induced anaphylaxis. Values are number (proportion)

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The average time of manifestation of signs and symptoms after sugammadex administration was 3.08 ± 1.9 min, with a median of 3 min (range from 1 to 8 min) for the studies that reported this information (n = 25). Postoperative cutaneous testing was performed in 20 (60.6%) patients, and 15 (75%) had skin prick tests and/or intradermal tests that were positive for sugammadex [Table 3]. In addition, 5 patients had positive responses to skin testing with a premixed rocuronium–sugammadex complex. Unfortunately, anaphylaxis developed again during intradermal testing in one patient.

Table 3:Reported sugammadex-induced anaphylactic reactions during general anesthesia

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  Discussion 

Our analysis revealed that the number of reported sugammadex-induced hypersensitivity reactions is relatively small, with clinical signs that commonly include hypotension, tachycardia, erythema, and desaturation. Most signs appear within the first 5 min of administration.

Epidemiology data for perioperative allergic reactions are variable, with the incidence of serious life-threatening anaphylaxis estimated at 1 in 10000 anesthetic procedures.[1] However, because of methodology limitations, the real incidence of anaphylaxis was estimated to be higher. Recently, the occurrence of sugammadex-induced anaphylaxis was calculated to be as high as approximately 1 in 2,500 administrations (0.039%) depending on a retrospective observational study conducted in a single center.[19] More than 60% of the cases included in our study were reported from Japan. This large variation depending upon country may be attributed to varying geographical practices, genetics, different approval dates of sugammadex, and variations in reporting rates. Mertes et al.[33] suggested that the difference in sugammadex-induced anaphylaxis between countries could be due to differences in the total amount of sugammadex used. According to one of the largest sugammadex post-marketing reports, 284 cases of sugammadex-induced anaphylaxis were reported in Japan during the 7-year period after sugammadex was launched.[34] A further estimation was that sugammadex had been administered to approximately 10% of the total Japanese population during the 8-year period after its release.

Most reports in the present analysis (92.3%) noted the first sign of a reaction in less than 5 min after sugammadex administration, which was consistent with the rapid development of signs described by other investigators. Hypotension, tachycardia, erythema, and desaturation were found in 93%, 60%, 51%, and 45% of our cases, respectively. Tsur et al.[35] systematically reviewed the literature of hypersensitivity associated with sugammadex administration in 15 patients and found the most common signs were rash, hypotension, tachycardia, and desaturation. In the operating room, cardiovascular signs of anaphylaxis may be more frequent than skin manifestations due to hemodynamic monitoring of patients.

Epinephrine remains the first-line treatment for perioperative anaphylaxis in all published national anaphylaxis guidelines. The WAO recommends an initial epinephrine treatment by the intramuscular route in the mid-anterolateral thigh as soon as anaphylaxis is diagnosed or strongly suspected, at a dose of 0.01 mg/kg of a 1:1,000 (1 mg/mL) solution, to a maximum of 0.5 mg in adults (0.3 mg in children).[10] However, in the presence of shock, the proposed application is a slow intravenous infusion of epinephrine, with dose titration according to the blood pressure and heart rate. In addition, several guidelines are available to help anesthesiologists in treating patients with anaphylaxis during anesthesia. However, some variation is currently present in the recommendations for initial bolus doses of intravenous epinephrine in the existing guidelines on perioperative anaphylaxis. For example, the French guidelines recommend a dose of 10–20 mcg of epinephrine for grade 2 reactions, whereas Scandinavian guidelines recommend initial doses of 10–50 mcg and increased to 100 mcg in cases of severe hypotension.[5],[36] These differences in recommended intravenous epinephrine doses can lead to confusion in an emergency situation. Fatal outcomes during anaphylaxis are associated with either late or absent administration of epinephrine or with excessive dosing, emphasizing the need for careful titration.[5] We found that although all patients developed anaphylaxis of grade 2 and above with an indication of epinephrine administration, epinephrine was not given at all in about 25% of the cases. A greater proportion of patients were treated with a second-line treatment than with epinephrine.

Sugammadex-induced anaphylaxis may present when the patient is already extubated and is being transferred to the postanesthesia care unit (PACU). In total, 18% of our included cases required emergency reintubation. A neuromuscular blockade after sugammadex administration can be re-established in this type of reintubation situation by one of three options: reuse of rocuronium; use of benzylisoquinolinium neuromuscular blocking agents (NMBAs), or use of depolarizing NMBAs. Cammu et al.[37] reported a prolonged re-establishment of the neuromuscular blockade after an increased repeat dose of rocuronium 1.2 mg after a 5 min reversal of sugammadex. However, in the case of sugammadex-induced anaphylaxis, the re-establishment of a neuromuscular blockade with rocuronium may not be a suitable option because, as shown in the present review, some patients also have an allergic reaction to the sugammadex-rocuronium complex. The other option, namely, the use of benzylisoquinolinium NMBAs such as cisatracurium, is also not appropriate for rapid sequence intubation due to relatively prolonged onset time. In contrast to non-depolarizing NMBAs, a rapid re-establishment of neuromuscular block was reported at 85 s with succinylcholine after the initial use of rocuronium and sugammadex.[38]

Our analysis identified a few important findings. Of the 20 patients tested, skin test results were positive in 15 for sugammadex. In addition, 25% of the patients who underwent skin testing had a positive skin reaction to the sugammadex-rocuronium complex. These results indicate that both sugammadex and sugammadex-rocuronium complex may be responsible for hypersensitivity reactions, particularly in a group of patients. Some authors suggested that sugammadex causes anaphylaxis only after it complexes with rocuronium, based on the observation of allergic reactions to a sugammadex–rocuronium complex but not to sugammadex or rocuronium alone.[39] These cases support the idea that sugammadex may change its structure and modify drug antigenicity after forming a complex with rocuronium.

This review summarises the previously reported symptom frequencies, outcomes, and timing of sugammadex-induced anaphylaxis onset after administration. Anesthesiologists should be aware that most of the minor and some of the serious hypersensitivity reactions have likely gone unreported in the literature. Therefore, new studies are warranted to establish the actual incidence of anaphylaxis following sugammadex administration.

Our report has some limitations. Firstly, some studies conducted with pool analysis did not contain all the target parameters. Secondly, our inclusion criteria eliminated studies written in Japanese, even though Japan was the country that reported the most incidences of sugammadex-induced anaphylaxis.

  Conclusion 

Anaphylaxis remains a serious and life-threatening adverse event during anesthesia and is probably underdiagnosed. Quick recognition of anaphylactic signs and symptoms is essential for a favourable prognosis. This review showed that approximately 92% of the sugammadex-induced anaphylaxis presented within 5 min, with cardiovascular symptoms, hypotension, and tachycardia being the most common initial presenting manifestations of anaphylaxis during general anesthesia. The number of cases of hypersensitivity to sugammadex is likely to increase with its more widespread use. Thus, anesthesiologists should be familiar with the mechanisms, clinical presentations, and treatment of anaphylaxis.

Acknowledgments

The authors also thank the reviewers for their helpful suggestions and efforts towards improving their manuscript.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 

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  [Figure 1]
 
 
  [Table 1], [Table 2], [Table 3]