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Abstract

Study Design:

Cross-sectional, anonymous, international survey.

Objectives:

The COVID-19 pandemic has resulted in the rapid adoption of telemedicine in spine surgery. This study sought to determine the extent of adoption and global perspectives on telemedicine in spine surgery.

Methods:

All members of AO Spine International were emailed an anonymous survey covering the participant’s experiences with and perceptions of telemedicine. Descriptive statistics were used to depict responses. Responses were compared among regions.

Results:

485 spine surgeons participated in the survey. Telemedicine usage rose from <10.0% to >39.0% of all visits. A majority of providers (60.5%) performed at least one telemedicine visit. The format of “telemedicine” varied widely by region: European (50.0%) and African (45.2%) surgeons were more likely to use phone calls, whereas North (66.7%) and South American (77.0%) surgeons more commonly used video (P < 0.001). North American providers used telemedicine the most during COVID-19 (>60.0% of all visits). 81.9% of all providers “agreed/strongly agreed” telemedicine was easy to use. Respondents tended to “agree” that imaging review, the initial appointment, and postoperative care could be performed using telemedicine. Almost all (95.4%) surgeons preferred at least one in-person visit prior to the day of surgery.

Conclusion:

Our study noted significant geographical differences in the rate of telemedicine adoption and the platform of telemedicine utilized. The results suggest a significant increase in telemedicine utilization, particularly in North America. Spine surgeons found telemedicine feasible for imaging review, initial visits, and follow-up visits although the vast majority still preferred at least one in-person preoperative visit.

Keywords

telemedicine telehealth spine surgery global perspectives

Introduction

The global spread of the novel coronavirus (COVID-19) and subsequent social distancing mandates have resulted in the broad adoption of telemedicine across nearly all specialties.¹ Telemedicine is a loosely defined term and may refer to any interaction between providers and patients utilizing remote technologies.² Examples of these interactions include: video conferences, telephone visits, text-messaging, remote patient monitoring, and augmented/virtual reality.^3,4

Prior to COVID-19, few spine practices utilized telemedicine.^5-7 Several challenges impeded adoption, including: a lack of perceived benefit, technology implementation costs, difficulty diagnosing musculoskeletal disorders, and concerns regarding reimbursement and liability.⁸ During the pandemic, however, as many as 35.6% of spine surgeons worldwide were performing over half of their clinical visits via telemedicine.⁹ This abrupt shift in practice patterns has placed surgeons into mostly unfamiliar territory,^5,6,8 without the time required for dissemination of knowledge and the establishment of best practices.^10-12

Presently, there is little data in the literature regarding how spine surgeons use telemedicine, how often they use telemedicine, when this tool seems appropriate and (perhaps more importantly) when it seems inappropriate. While preliminary studies suggest that telemedicine can be an accurate and efficient tool for spine care with high patient satisfaction,^13-15 a thorough exploration of these questions is critical to safely integrating telemedicine into the spine clinical workflow.

To address the aforementioned concerns, we conducted a large-scale, global survey of spine surgeons assessing their perceptions of telemedicine across multiple domains. We sought to determine global perspectives on telemedicine and explore regional differences in surgeon attitudes and adoption.

Methods

Survey Design

The “Telemedicine & the Spine Surgeon—Perspectives and Practices Worldwide” survey was developed to assess global and regional provider use and sentiment toward telemedicine. The survey was designed through a modified Delphi approach, with 4 rounds of question review by a panel of regional research representatives, spine surgeons, and epidemiologists.¹⁶ Questions covered the following domains: demographics, telemedicine usage, patient perceptions, trust in remote visits, telemedicine challenges and benefits, telemedicine versus in-person visits, and telemedicine in training and research (Supplemental Appendix 1).

In order to effectively highlight relevant results from the breadth of topics collected, questions from the survey were grouped into 4 categories for further analysis: (1) Global Perspectives (current manuscript); (2) Challenges and Benefits; (3) Telemedicine Evaluations; and (4) Training.

Provider Sample and Survey Distribution

The survey was distributed via email to AO Spine members between May 15 to May 31, 2020. AO Spine is the world’s largest international society of spine surgeons, consisting of over 20 000 professionals with 6,000+ surgeon members (www.aospine.org). Among the surgeon membership, 3,805 opted to receive surveys via email. All questions were optional, and missing data points were excluded from analysis. No identifying information was included in the survey. Analysis initially planned to include 6 regions: Africa, Asia, Australia, Europe, North America, and South America. However, because only 3 surgeons from Australia responded, they were grouped together with Asia as “Asia Pacific.”

Statistical Analyses & Survey Interpretation

All statistical analyses were performed with SPSS Version 25 (IBM Corp., Armonk, NY). Tables and graphical representation of survey responses were created using Excel version 16.37 (Microsoft Inc, Albuquerque, NM) and the open-source Python “Plotly” library, version 4.8.2 (MIT license). Descriptive statistics were used to describe overall responses. Differences in responses were compared among regions. Categorical and continuous variables were compared using chi square and ANOVA tests as appropriate. Likert scale questions were analyzed as continuous variables, with the following scale: −2 Strongly Disagree; −1 Disagree; 0 Neutral; 1 Agree; 2 Strongly Agree. Type I error rate was set at a significance of P < 0.05.

Results

Demographics

Of the 3,805 surgeons opting to receive email surveys, 485 individuals responded (12.7%) (Table 1). Responses included 75 countries and 5 regions (Figure 1). South America had the most responses (127/477; 26.6%), followed by Europe (116/477; 24.3%), Africa (95/477; 19.9%), Asia Pacific (94/477; 19.7%), and North America (45/477; 9.4%). Most respondents (446/472, 94.5%) were male, and the majority specialized in orthopedics (332/485; 68.5%). The greatest number of respondents were 35-44 years old (173/479; 36.1%), followed by 45-54 years old (160/479; 33.4%) and 55-64 years old (73/479; 15.2%). Most surgeons operated in urban communities (408/478; 85.4%) and had academic (164/482; 34.0%) or “privademic” (128/482; 26.6%) practices.

Table 1.

Survey Respondent Demographics.

	n^a	Percentage^b		n^a	Percentage^b
Sex			Specialty
Male	446	94.5%	Orthopedics	332	68.5%
Female	26	5.5%	Neurosurgery	144	29.7%
Age (years)			Trauma	50	10.3%
25-34	56	11.7%	Pediatric Surgery	16	3.3%
35-44	173	36.1%	Other	14	2.9%
45-54	160	33.4%	Years Practicing
55-64	73	15.2%	0-5	100	20.9%
65+	17	3.5%	5-10	116	24.3%
Geographic Region			11-15	82	17.2%
Africa	95	19.9%	16-20	68	14.2%
Asia Pacific	94	19.7%	20+	112	23.4%
Europe	116	24.3%	Practice Breakdown (%)
North America	45	9.4%	Percentage Research
South America	127	26.6%	0-25	356	74.9%
Estimated Population Hospital Serves			26-50	100	21.1%
<100 000	46	9.6%	51-75	13	2.7%
100 000-500 000	118	24.7%	76-100	6	1.3%
500 000-1 000 000	100	21.0%	Percentage Clinical
1 000 000-2 000 000	67	14.0%	0-25	12	2.5%
>2 000 000	146	30.6%	26-50	95	19.8%
Hospital Community			51-75	191	39.8%
Urban	408	85.4%	76-100	182	37.9%
Suburban	63	13.2%	Percentage Teaching
Rural	7	1.5%	0-25	334	72.5%
Practice Type			26-50	95	20.6%
Academic/University Hospital	164	34.0%	51-75	16	3.5%
“Privademic” (Academic/Private combined)	128	26.6%	76-100	16	3.5%
Private Group, <10 Practitioners	58	12.0%	Total Respondents	485	100.0%
Private Group, >10 Practitioners	20	4.1%
Individual Practice	35	7.3%
Government/Military Hospital	34	7.1%
Hospital Employee	29	6.0%
Other	14	2.9%

^a Number of respondents/votes.

^b Percentages were calculated based on total responses per question, not total number of survey responses.

Figure 1.

Distribution of survey responses by geographic region.

Provider Telemedicine Usage

Before & during social distancing

Prior to COVID-19 and social distancing, spine surgeons utilized telemedicine for <10.0% of cases (Table 2). During COVID-19 usage rose as providers performed a mean 39.3%-44.2% of all “new patient,” “follow-up,” and “postoperative” visits through telemedicine, with regional differences (new patient: P < 0.001; follow-up: P < 0.001; postoperative: P = 0.007). North America used telemedicine the most during COVID-19 at 60.6%-63.3% of visits, whereas Asia Pacific, Europe, and South America used telemedicine for 34.2%-50.4% of visits. Africa used telemedicine for 18.8%-35.7% of visits during COVID-19.

Table 2.

Provider Telemedicine Usage and Impressions.

	Overall		Africa		Asia Pacific		Europe		North America		South America		P Value^b
	Mean (SD^a)		Mean (SD^a)		Mean (SD^a)		Mean (SD^a)		Mean (SD^a)		Mean (SD^a)		P Value^b
Before COVID-19% Telemedicine Visits of Total Practice
% New patient	4.8% (±12.0%)		7.5% (±7.6%)		3.3% (±8.9%)		3.8% (±12.3%)		1.0% (±2.9%)		7.8% (±17.1%)		0.045
% Follow-up visits before surgery	9.4% (±17.7%)		15.5% (±14.7%)		4.4% (±8.7%)		8.5% (±16.3%)		6.7% (±19.0%)		12.5% (±22.9%)		0.055
% Postoperative visits	9.1% (±18.5%)		21.7% (±25.7%)		9.1% (±18.0%)		6.9% (±16.9%)		2.7% (±5.6%)		9.5% (±19.3%)		0.002
During COVID-19% Telemedicine Visits of Total Practice
% New patient	39.3% (±35.5%)		18.8% (±21.5%)		35.8% (±32.0%)		41.9% (±36.1%)		60.6% (±37.3%)		37.7% (±36.2%)		<0.001
% Follow-up visits before surgery	44.2% (±35.8%)		23.8% (±19.9%)		38.7% (±32.8%)		50.4% (±37.4%)		63.3% (±36.0%)		40.6% (±36.1%)		<0.001
% Postoperative visits	42.1% (±34.8%)		35.7% (±23.2%)		40.7% (±31.6%)		43.0% (±34.9%)		61.1% (±39.5%)		34.2% (±35.5%)		0.007
	Overall		Africa		Asia Pacific		Europe		North America		South America
	n^c	% Total	n^c	% Region	n^c	% Region	n^c	% Region	n^c	% Region	n^c	% Region	P Value^b
March-May 2020 Seen Patients via Telemedicine													<0.001
Yes	286	60.5%	42	45.2%	57	60.6%	75	65.2%	36	81.8%	76	59.8%
No, but I am a believer in telemedicine	139	29.4%	44	47.3%	26	27.7%	32	27.8%	6	13.6%	31	24.4%
No, I do not think telemedicine gives any advantage	48	10.1%	7	7.5%	11	11.7%	8	7.0%	2	4.5%	20	15.7%
Total Number of Telemedicine Visits Performed													<0.001
0-10	57	24.2%	12	38.7%	21	42.0%	5	8.1%	1	3.0%	18	30.0%
11-25	75	31.8%	13	41.9%	12	24.0%	20	32.3%	7	21.2%	23	38.3%
20-50	52	22.0%	5	16.1%	7	14.0%	14	22.6%	14	42.4%	12	20.0%
51-100	27	11.4%	1	3.2%	5	10.0%	13	21.0%	3	9.1%	5	8.3%
100+	25	10.6%	0	0.0%	5	10.0%	10	16.1%	8	24.2%	2	3.3%
Opinion Changed After More Telemedicine Visits													0.578
Better than it was	138	59.0%	15	48.4%	32	65.3%	32	51.6%	22	66.7%	37	62.7%
Worse than it was	13	5.6%	2	6.5%	2	4.1%	4	6.5%	3	9.1%	2	3.4%
Opinion unchanged	83	35.5%	14	45.2%	15	30.6%	26	41.9%	8	24.2%	20	33.9%
Telemedicine Visit Requires ___ Time Than In-Person													<0.001
More	83	35.2%	11	35.5%	24	49.0%	19	30.6%	7	20.6%	22	36.7%
The same amount of	77	32.6%	2	6.5%	12	24.5%	27	43.5%	10	29.4%	26	43.3%
Less	76	32.2%	18	58.1%	13	26.5%	16	25.8%	17	50.0%	12	20.0%
How Comfortable Performing Surgery After Telemedicine													0.151
Extremely comfortable	10	4.6%	1	3.3%	0	0.0%	1	1.8%	5	16.1%	3	5.7%
Moderately comfortable	56	25.9%	6	20.0%	13	28.9%	14	24.6%	7	22.6%	16	30.2%
Slightly comfortable	70	32.4%	10	33.3%	14	31.1%	17	29.8%	9	29.0%	20	37.7%
Not at all comfortable	80	37.0%	13	43.3%	18	40.0%	25	43.9%	10	32.3%	14	26.4%
Telemedicine Platform Used													<0.001
Secure EMR-Integrated System	66	23.2%	2	4.8%	5	8.6%	25	33.8%	11	30.6%	23	31.1%
Secure non-EMR-Integrated System	28	9.9%	1	2.4%	9	15.5%	2	2.7%	9	25.0%	7	9.5%
Non-secure (Facetime, Skype, etc.)	71	25.0%	13	31.0%	19	32.8%	8	10.8%	4	11.1%	27	36.5%
Phone Call (no video)	96	33.8%	19	45.2%	19	32.8%	37	50.0%	8	22.2%	13	17.6%
Other	23	8.1%	7	16.7%	6	10.3%	2	2.7%	4	11.1%	4	5.4%
Telemedicine Platform Was Easy to Use													0.002
Strongly Agree	70	29.4%	3	9.7%	16	31.4%	19	30.2%	19	57.6%	13	21.7%
Agree	125	52.5%	21	67.7%	25	49.0%	29	46.0%	13	39.4%	37	61.7%
Undecided	33	13.9%	5	16.1%	4	7.8%	13	20.6%	1	3.0%	10	16.7%
Disagree	9	3.8%	2	6.5%	5	9.8%	2	3.2%	0	0.0%	0	0.0%
Strongly Disagree	1	0.4%	0	0.0%	1	2.0%	0	0.0%	0	0.0%	0	0.0%
Technical Difficulties Delay/Disrupt Visit													0.145
Often (50+ %)	13	5.5%	3	9.7%	5	10.0%	0	0.0%	3	9.1%	2	3.3%
Frequently (31-50%)	21	8.9%	2	6.5%	4	8.0%	6	9.5%	1	3.0%	8	13.3%
Sometimes (16-30%)	82	34.6%	13	41.9%	22	44.0%	15	23.8%	12	36.4%	20	33.3%
Rarely (1-15%)	111	46.8%	13	41.9%	18	36.0%	37	58.7%	16	48.5%	27	45.5%
Never (0%)	10	4.2%	0	0.0%	1	2.0%	5	7.9%	1	3.0%	3	5.0%
Telemedicine Imaging													0.177
Same location for an in-person visit	60	27.6%	3	10.0%	14	30.4%	17	29.8%	7	22.6%	19	35.8%
Different location	38	17.5%	7	23.3%	9	19.6%	10	17.5%	2	6.5%	10	18.9%
The patient can choose the location	119	54.8%	20	66.7%	23	50.0%	30	52.6%	22	71.0%	24	45.3%
Telemedicine Labs													0.639
Same location for an in-person visit	57	26.3%	8	26.7%	12	26.1%	17	29.8%	5	16.1%	15	28.3%
Different location	42	19.4%	8	26.7%	7	15.2%	12	21.1%	4	12.9%	11	20.8%
The patient can choose the location	118	54.4%	14	46.7%	27	58.7%	28	49.1%	22	71.0%	27	50.9%

^a Standard Deviation.

^b Calculation of P values was performed using ANOVA and Pearson χ² tests. Bolded values indicate statistical significance at P < .05.

^c Number of respondents/votes.

Most respondents (286/473, 60.5%) had seen at least one patient via telemedicine throughout March, April, and May, with significant regional differences (P < 0.001). North America led with 36/44 (81.8%) of providers having performed at least 1 telemedicine visit, followed by Europe (75/115; 65.2%), Asia Pacific (57/94; 60.6%), South America (76/127; 59.8%), and Africa (42/93; 45.2%).

Usage sentiment

Only 48/473 (10.1%) of providers believed telemedicine did not “give any advantage” compared to in person visits. Surgeons had a more favorable impression of the technology the more they used it; 138/234 (59.0%) stated that their opinion of telemedicine was “better” after performing more visits. Only 13/234 (5.6%) believed telemedicine was “worse” after conducting more visits. There was an even split between overall sentiment about whether telemedicine required more (83/236; 35.2%), the same (77/236; 32.6%), or less (76/236; 32.2%) time than an in-person visit; however, regional responses varied (P < 0.001). Notably, age did not affect responses (P > 0.05). Most Asia Pacific respondents thought telemedicine required more time (24/49; 49.0%), while European (27/62; 43.5%) and South American (26/60; 43.3%) surgeons thought telemedicine required the same amount of time. North American (17/34; 50%) and African (18/31; 58.1%) physicians thought that telemedicine takes less time (Figure 2).

Figure 2.

Timing of telemedicine visits versus in-person visits. Area of pie indicates proportion of overall responses.

Surgeons (206/216; 95.4%) preferred to have at least 1 in-person visit prior to the day of surgery; 80/216 (37.0%) responded they were “not at all comfortable” performing surgery after a telemedicine encounter and did not indicate patients for surgery over telemedicine.

Telemedicine platform

Overall, phone calls without video were the most common form of telemedicine (96/284; 33.8%), followed by non-secure videoconferencing programs (Facetime, Skype, etc.) (71/284; 25%), secure EMR-integrated systems (66/284; 23.2%), secure non-EMR-integrated systems (28/284; 9.9%), and other (23/284; 8.1%). Responses to “other” included: “Doximity,” “Microsoft Teams,” “WhatsApp,” “Amwell,” “Clickdoc,” “WeChat,” and “E-mail.” Regional differences were observed in the type of platform (P < 0.001). European (37/74; 50.0%) and African (19/42; 45.2%) surgeons were more likely to conduct phone calls whereas North American (24/36; 66.7%) and South American (57/74; 77.0%) surgeons were more likely to use video visits (EMR-Integrated or non-secure platforms, excluding “other”).

Most respondents (195/238; 81.9%) “agreed” or “strongly agreed” that their telemedicine platform was easy to use; however, regional responses varied (P = 0.002). North Americans (32/33; 97%), South Americans (50/60; 83.4%), Asia Pacific (41/51; 80.4%), Africans (24/31; 77.4%), and Europeans (48/63; 76.2%) agreed or strongly agreed telemedicine was easy to use. 14.3% (34/237) of the surgeons experienced technical difficulties for more than 30% of visits.

Patient Demographics

Responses about perceived patient demographics were mostly neutral (Table 3); providers did not feel strongly that patients using telemedicine had more income (mean: 0.05; SD: ±1.08), were more likely to be minorities (mean: 0.01; SD: ±0.86) or were impacted by demographic factors (mean: −0.06; SD: ±0.96). Respondents tended to agree that older patients have more difficulty using telemedicine platforms (mean: 0.44; SD: ±1.07). The only significant regional difference was in perceived level of education for patients using telemedicine (P = 0.034). Africa (mean: 0.52; SD: ±0.93), Asia Pacific (mean: 0.35; SD: ±0.95), and South America (mean: 0.36; SD: ±0.91) trended toward agreement that patients using telemedicine had more education, while North America (mean: 0.03; SD: ±1.05) and Europe (mean: −0.03; SD: ±0.97) responded neutrally.

Table 3.

Provider Perceptions of Telemedicine Patient Age, Income, Education, and Demographics.

	Overall	Africa	Asia Pacific	Europe	North America	South America
	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	P Value^b
Provider Perceptions on Patients
(-2 Strongly Disagree, −1 Disagree, 0 Neutral, 1 Agree, 2 Strongly Agree)
Patients via telemedicine are younger	-0.17 (±0.97)	0.03 (±0.75)	-0.18 (±0.99)	-0.18 (±1.01)	-0.41 (±1.08)	-0.12 (±0.93)	0.454
Older patients have difficulty with telemedicine	0.44 (±1.07)	0.35 (±0.91)	0.61 (±1.10)	0.28 (±1.08)	0.12 (±1.25)	0.69 (±0.95)	0.054
Telemedicine options not available lower income	0.05 (±1.08)	0.39 (±0.99)	0.06 (±1.18)	-0.13 (±1.10)	-0.18 (±1.07)	0.19 (±1.00)	0.126
Patients via telemedicine tend to have more education	0.23 (±0.97)	0.52 (±0.93)	0.35 (±0.95)	-0.03 (±0.97)	0.03 (±1.05)	0.36 (±0.91)	0.034
Patients via telemedicine less likely to be minorities	0.01 (±0.86)	0.23 (±0.97)	0.00 (±0.83)	0.02 (±0.88)	-0.13 (±0.89)	-0.06 (±0.93)	0.364
Telemedicine not impacted by demographic factors	-0.06 (±0.96)	-0.17 (±0.79)	0.02 (±1.09)	0.03 (±0.89)	-0.06 (±0.97)	-0.19 (±0.99)	0.682

^a Standard Deviation.

^b Calculation of P values was performed using ANOVA tests. Bolded values indicate statistical significance at P < .05.

Personal Trust

Providers believed that patients should be seen in person at least once before scheduling surgery (mean: 1.37; SD: ±0.94) and postoperatively (mean: 1.11; SD: ±0.91) (Table 4). Respondents agreed that imaging review can be done over telemedicine (mean: 0.95; SD: ±0.99) and on average slightly agreed that the initial appointment (mean: 0.35; SD: ±1.20) and postoperative care (mean: 0.42; SD: ±1.00) can be done through telemedicine. There were no significant differences between regional responses (P > 0.05).

Table 4.

Provider Trust in Telemedicine.

	Overall	Africa	Asia Pacific	Europe	North America	South America
	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	Mean (SD^a)	P Value^b
If You or a Family Member Were a Patient
(-2 Strongly Disagree, −1 Disagree, 0 Neutral, 1 Agree, 2 Strongly Agree)
The initial appointment can be done through telemedicine	0.35 (±1.20)	0.03 (±1.08)	0.53 (±1.12)	0.10 (±1.22)	0.62 (±1.37)	0.47 (±1.13)	0.077
Imaging review can be done over telemedicine	0.95 (±0.99)	0.71 (±0.94)	0.94 (±1.00)	0.94 (±0.97)	1.21 (±1.07)	0.95 (±0.98)	0.392
Postoperative care can be done through telemedicine	0.42 (±1.00)	0.29 (±1.04)	0.40 (±1.03)	0.43 (±0.94)	0.79 (±1.05)	0.30 (±0.98)	0.210
Patients should be seen at least once in person before surgery	1.37 (±0.94)	1.32 (±1.22)	1.58 (±0.61)	1.47 (±0.95)	1.12 (±1.04)	1.27 (±0.90)	0.171
Patients should be seen at least once in person postoperatively	1.11 (±0.91)	1.03 (±1.11)	1.25 (±0.73)	1.16 (±0.83)	0.85 (±1.12)	1.13 (±0.87)	0.366

^a Standard Deviation.

^b Calculation of P values was performed using ANOVA tests. Bolded values indicate statistical significance at P < .05.

Discussion

To our knowledge, this is the first global survey to assess spine surgeon perceptions of telemedicine. We found that telemedicine usage rose significantly during the COVID-19 pandemic with significant regional variation in the type of platform utilized and attitudes toward telemedicine. These results provide an important snapshot of the current state of telemedicine in spine surgery and offer important areas for future investigation.

Global Usage & Perspectives

Globally, the use of telemedicine has soared across all specialties in response to the COVID-19 crisis.^1,17,18 Our results are consistent with this trend: spine surgeon usage of telemedicine rose from less than 10.0% of all visits pre-COVID-19 to greater than 39.0% of all visits during the pandemic. This data is largely consistent with a previous study showing that 35.6% of spine surgeons worldwide were using telemedicine for over half of all visits in March 2020.⁹

The speed with which this technology has been adopted is largely unprecedented. That said, our results indicate a largely positive outlook regarding telemedicine in spine surgery. A significant majority of surgeons (81.9%) “agreed” or “strongly agreed” that telemedicine was easy to use. Additionally, the value of telemedicine seemed to become more apparent after increased use; 59.0% of surgeons stated their opinion of telemedicine changed for the better after more experience. This combination — an easy to use platform that is more positively perceived with increased use — might suggest increased adoption over time. Notably, we found no significant differences in usage sentiment between age groups in our analysis. One may expect older physicians to be less comfortable adapting to telemedicine, though we found no evidence of this.

Of course, there were growing pains as well; 14.3% of respondents experienced technical difficulties on >30% of visits and another 34.6% experienced technical difficulties on 16-30% of visits. As surgeons and patients become more familiar with the technology and as telemedicine platforms mature, we expect the number of technical difficulties to decrease.

Previous studies have shown that telemedicine visits can be as effective as in-person consults for treating chronic conditions, making diagnoses, and even referring for surgery.^19-21 To that end, surgeons in our study tended to agree that new patient visits, imaging review, and postoperative care could be performed by telemedicine. However, a plurality (37.0%) of providers did not feel comfortable offering surgery to patients based on telemedicine alone. Additionally, surgeons strongly agreed that patients must be seen at least once in person before and after surgery.

These findings reflect an uncertainty of how telemedicine fits into established practice patterns. Factors behind this conflict are numerous and include: technical difficulties, increased medicolegal exposure, inability to perform a physical exam, and weaker doctor-patient relationships.⁸ While our survey touches on many of these factors, given the breadth and depth of these topics, we plan to explore them in more detail in future manuscripts. On the whole, our data suggests that telemedicine has an important role in care delivery and that surgeons are receptive to its use. This is consistent with early research supporting the efficacy and accuracy of telemedicine surgery decision making.^13,14 More recently, preliminary guides have emerged to help standardize spine telemedicine care.^22-24 However, significant work is needed to define the applications and limitations of this new tool.

Regional Variation (Figure 3)

Figure 3.

Telemedicine usage before and during COVID-19.

The global reach of this survey is a unique feature and allows us to explore regional differences in the rates of telemedicine adoption, attitudes toward telemedicine, and types of platforms utilized in each region.

For instance, surgeons in Africa (21.7% of postoperative visits) and South America (12.4% of follow-up visits) reported higher telemedicine usage even before COVID-19 (global average was <10%). These differences could be driven by the increased access to care telemedicine provides, especially in regions with less population/medical care density.^8,25,26 Other factors such as reimbursement parity might also have outsized impacts on telemedicine adoption.^1,8 Indeed, adoption grew most rapidly in North America during the pandemic from a pre-COVID average of <7.0% to >60.0% of visits; importantly, most payors relaxed reimbursement rules during this time.^27,28 The impact of these types of factors (i.e., potential barriers to telemedicine adoption) will be more fully explored in a future manuscript.

Another important contributor to regional differences was the different telemedicine platforms available. In Africa and Europe, respondents were much more likely to describe telephone calls as their telemedicine platform, whereas in North and South America, video visits constituted the main form of telemedicine (Figure 4). These differences highlight the lack of regulatory clarity surrounding telemedicine.^8,27 Moreover, the very definition of telemedicine is a source of confusion, with over 100 peer-reviewed definitions existing throughout the literature.²⁹

Figure 4.

Main telemedicine platform used.

The difference between an all-audio and an audiovisual appointment may have important consequences: for instance, although not significant, we found the African and European surgeons were least likely to agree that the initial appointment could be performed over telemedicine (P = 0.077); whereas North and South American surgeons were most likely to agree (Table 4). We plan to further explore the impact of telemedicine platform on surgeon perceptions and their ability to perform physical examinations as part of future manuscripts. Even our initial findings, however, emphasize the importance of standardizing techniques, best practices, and technology to ensure clarity for future adoption.

Strengths and Limitations

As with any clinical study, our study has limitations. The percentage of total respondents was only 12.7% of AO Spine members who opted to receive surveys by email; however, this is consistent with previous response rates for other spine surveys.^9,30 Additionally, because each question was optional, not every response had an answer, and survey fatigue may have lowered the response rate for latter questions. There is also an inherent selection bias in surgeons who chose to take the survey: it is likely that those with an interest in telehealth were more likely to respond. This might lead to an overestimation of telemedicine usage in the wider spine surgeon population.

Despite these limitations, we believe our survey offers a unique perspective on a new tool in spine surgery. We provide the results of a large (485 surgeons), global cross section of spine surgeons. This represents the largest international survey of spine surgeons to address telemedicine and highlights several important themes that might help speed adoption and clarify best practices.

Conclusion

Telemedicine usage has risen steeply during the COVID-19 crisis, from <10% to approximately 40% of all visits occurring over telemedicine. Spine surgeons approved of telemedicine, provided at least one in-person visit occurs pre- and post-operation. Standardization of telemedicine procedures and technology may help bridge the regional gap between video and non-video consultations and streamline telemedicine as a viable alternative to certain traditional visits. To our knowledge, this is the first study to assess worldwide perspectives and regional variation in spine surgeon telemedicine usage and sentiment. Based on this foundation, future studies will analyze the challenges, benefits, efficacy, and training data collected to address targeted questions. In addition, we plan to distribute a follow-up survey to determine sustainability and the future of telemedicine use once the pandemic subsides.

Supplemental Material

Supplemental Material, sj-docx-1-gsj-10.1177_21925682211022311 - Telemedicine in Spine Surgery: Global Perspectives and Practices

Supplemental Material, sj-docx-1-gsj-10.1177_21925682211022311 for Telemedicine in Spine Surgery: Global Perspectives and Practices by Grant Riew, Francis Lovecchio, Dino Samartzis, Philip K. Louie, Niccole Germscheid, Howard An, Jason Pui Yin Cheung, Norman Chutkan, Gary Michael Mallow, Marko H. Neva, Frank M. Phillips, Daniel Sciubba, Mohammad El-Sharkawi, Marcelo Valacco, Michael H. McCarthy, Melvin Makhni and Sravisht Iyer in Global Spine Journal

Footnotes

Acknowledgments

The authors would like to extend their sincere gratitude to Kaija Kurki-Suonio and Fernando Kijel from AO Spine (Davos, Switzerland) for their assistance with circulating the survey to AO Spine members.

Declaration of Conflicting Interests

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Funding

The author(s) received no financial support for the research, authorship, and/or publication of this article.

ORCID iDs

Grant J. Riew, AB

Francis Lovecchio, MD

Dino Samartzis, DSc

Philip K. Louie, MD

Jason Pui Yin Cheung, MBBS, MS, MD

Daniel Sciubba, MD

Mohammad El-Sharkawi, MD

Michael H. McCarthy, MD, MPH

Supplemental Material

Supplemental material for this article is available online.

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