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Table 1 Summary of characteristics of studies included in review (N = 48)

From: Quality of life outcomes in acoustic neuroma: systematic review (2000–2021)

Author

Quality Index (QI)a

Sample

Measure/s of QoL

Timing

Grouping factors

Finding

Relation to Sample Characteristic/Symptoms (N = 7; mean QI= 15.14)

 Prummer [24]

17

N = 802, Acoustic Neuroma Association members

N = 258, non-ANA from a single clinical site

PANQOL

Not explicitly stated

Presentation January 2015–March 2017, so within 2 years

ANA membership

ANA members significantly:

Younger (59 vs 60 years), larger tumour size, and

Sig more women (72 vs 55%), microsurgery (57 vs 21%), radiation (21 vs 8%), hearing loss (95 vs 88%), tinnitus (80 vs 73%), dizziness (78 vs 64%), headache (56 vs 45%), and facial paralysis (37 vs 12%).

Sig less watch and wait (16 vs 65%)

ANA Sig lower PANQOL scores for:

hearing (OR: 0.47, 95% CI: 0.35–0.64),

balance (OR: 0.51, 95% CI: 0.38–0.70),

pain (OR: 0.63, 95% CI: 0.46–0.86),

facial function (OR: 0.58, 95% CI: 0.42–0.80),

energy (OR: 0.44, 95% CI: 0.32–0.59),

anxiety (OR: 0.54, 95% CI: 0.40–0.74),

general QoL (OR: 0.72, 95% CI: 0.53–0.98),

Total QOL (OR: 0.40, 95% CI: 0.30–0.55

 Broomfield [25]

10

N = 598

BANA members

Online survey of: overall experience of diagnosis and/or treatment

78.9%—since

2000,

17.2%—in 1990s

3.1%—1980s

0.9%—pre-1980

10—not reported

N/A

Most common symptoms at diagnosis: hearing loss (84%), unilateral tinnitus (40%), imbalance (51%).

Information received:

39% just the right amount of information about all ‘management options’, 32% ‘not enough information’.

Treatment after-effects (QoL overall):

‘a lot better’ (11%), ‘a little better’ (7%), ‘unchanged’ (25%), ‘a little worse’ (38%), and ‘a lot worse’ (19%).

61% respondents continued in the same job.

65% return to social life, hobbies, sports impaired. Overall experience:

Treatment as ‘much better than expected’ (20%),

‘a little better’ (15%), ‘about the same’ (27%), ‘a little worse’, (22%) and ‘much worse’ (16%)

 Oddon [26]

16

N = 26 active surveillance

14 tumour growth

12 no growth

0 tumour shrinkage

PANQOL

SF-36

Mean 25 months (range 6–72)

Presence of vertigo

Vertigo or dizziness = poorer QoL on SF-36 (Social Functioning, Role-Emotional) and PANQOL scale (Balance, Energy)

Psychological factors (QoL, depression, and self-esteem) do not seem to influence decision-making in this patient population

 AL-Shudifat [27]

18

N = 395 surgically treated

SF-36

Range 11 to 32 years

Age (< 64, ≥ 65)

Gender

Tumour size

All SF-36 domains (except pain) showed moderate decrease, reaching a 30% reduction postoperatively in comparison with Swedish norms. The pain score was showed an increase (mean= 1.0169) compared to norms. No significant differences were shown between age groups

Only tumour diameter and taste loss showed significant correlations with both physical and mental component scores

 Iyer [28]

14

N = 83 surgically treated

19 middle cranial fossa

64 translabyrinthine

SF-36

GBI

Not reported

Hearing preservation

QoL reduced in both surgery groups. Mean GBI score for translabyrinthine group was − 7.5 (95% CI: − 2.5 to − 13.5) and middle fossa group − 4 (CI: 213.5 to 5.5). GBI domains: general aspects reduced, social improved, physical no change. GBI scores if hearing preserved were similar

SF-36 sig reduction in social function scores vs norms (p=0.035). Translabyrinthine similar as social function only domain to show sig deterioration (p=0.007). Middle fossa no sig reductions.

SF-36 scores no sig difference between groups, apart from social function (p =0.015; better in middle fossa group)

 Lassaletta [29]

15

N = 70 surgically treated

GBI

Up to 7 years post

Facial functioning

No sig differences found in GBI between those with and those without facial dysfunction

Reduced QoL was associated with post-operative pain

 Lloyd [30]

16

N = 165 active surveillance

SF-36

Up to 19 years

Hearing and dizziness

Physical component scores sig lower than norms. Mental component scores sig above norms

Dizziness and age were strong predictors of physical component (p’s= 0.0001)

Dizziness and tinnitus were sig predictors of mental component (p = 0.0004 and 0.027). However, only small amount of variance explained

Comparisons to normative data and/or controls (N = 16; mean QI= 18.38)

 Broomfield [31]

21

N = 334 (SF-36)

(369 QoL-2)

surgically treated

Translabyrinthine approach

SF-36

Generic postoperative QoL scale (Qol-2)

Minimum 5 years

Comparison to normative data

SF-36 all scores diff sig from norms except ‘role emotional’

Largest difference was physical function, followed by role-physical, body pain, and general health

Mental component score: tumour size ≥ 4 cm likely to have 3.4 less score than tumour o< 1 cm (p=0.037). Little evidence for effect of small tumour sizes

No evidence for tumour size effect on the physical component score

Improved in mental component score associated with increased time since surgery (age an tumour size accounted for)

QOL-2: patients reported an improvement

(“a lot” or “a little” better) in their overall quality of life (24%) and overall health (20.4%)

 Cheng [32]

15

N = 98

surgically treated

SF-36

Minimum 6-months

Comparison to normative data

Also by gender, age, tumour size, operative approach

Compared to norms:

Lower physical function, role-physical, general health, vitality, social function, role-emotional, and mental health

Higher for body pain (i.e. less pain reported by patients)

Only role-physical significant

No sig diffs for gender, age, tumour size or surgical approach

 Tufarelli [33]

21

N = 386

surgically treated

SF-36

Mean 4.01 years SD 2.39 years post-op

Comparison to normative data

231 (59.8%) = asymptomatic post-surgery,

155 (40.15%) = very disabling symptom/s

Hearing loss as most disabling symptom

SF-36 scores lower than normal population particularly for role physical, role emotional, and physical function (differentials all > 10)

Women produced sig lower scores than men

age had sig impact on physical functioning (≤ 45 years had sig higher score than patients > 45 years)

Time interval from surgery did not influence QoL

 Baumann [34]

19

N = 42

surgically treated

SF-36

Median 3.1 years (range 1.0–5.3)

Comparison to normative data

Significantly lower SF-36 scores than normative sample on all scales with exception of vitality and mental health scales

 Sun [35]

15

N = 24

surgically treated

SAS

SDS

SF-36

1 year post-op

Comparison to normative data

No sig difference to norms for anxiety or depression; 2 (9.5%) patients scores > cut-offs for each

Sig higher scores on general health and vitality dimensions of the SF-36 compared to norms

No significant differences in other dimensions observed

 Godefroy [36]

19

N = 17

surgically treated

with rotatory vertigo

SF-36

Pre-operative and 3 and 12-month post-operative

Comparison to normative data

All SF-36 scores below norms at pre, 3-month and 12-month follow-up across scales

Improvements though none sig pre-op to 3 months

Sig improved scores 12 months post-op for all except body pain and vitality

 Browne [37]

13

N = 119 AN

surgically treated

SF-36

Not reported

Comparison to normative data

Comparison to illness group controls (e.g. diabetes, dermatitis)

AN report impaired overall QoL compared to general population controls and other chronic illness groups

AN patients reported better physical and general health outcomes

Hearing was the most frequent difficulty post- surgery, and this impacted social functioning

Most AN patients named at least one positive outcome from their illness

AN patients who had facial difficulties following surgery were less likely to report positive outcomes

 Betchen [38]

19

N = 101

surgically treated

SF-36

Mean 3.2 years (range 6 months to 7 years)

Comparison to normative data (x3 sets)

Compared to Ware’s norms:

Lower scores on all scales except vitality

Sig lower role physical, role emotional, and body pain

Compared to Jenkinson norms:

Significant lower in current study for physical function, role physical, social function, and body pain

Compared with McDowell norms:

Sig lower score on body pain, but sig higher scores for general, physical functioning, role physical, role emotional, and vitality

 daCruz [39]

13

N = 72

surgically treated

SF-36

> 18 months

Comparison to healthy sex- and age-matched controls

SF-36 scores were lower than controls for physical function, role-physical, body pain, general health; social functioning, role emotional, mental health

Only the score for vitality was higher than that of controls. Significance of differences not reported.

Gender, age, tumour size, and surgical approach did not sig impact QoL scores

 Scheich [40]

19

N = 86

surgically treated

SF-36

> 6 months post-op

Comparison to normative data

Comparison to those with hearing loss

Norms: Sig lower scores all categories except bodily pain.

Hearing loss: Sig lower scores for social function and role-emotional; Sig higher score for body pain

 Nicoucar [41]

21

N = 72

surgically treated

SF-36

Mean 7.6 years (range 6 months–19

years)

Comparison to normative data (x3 sets)

Comparison to surgical controls (x2 sets)

Sig lower scores than all three normative data sets for role-emotional, physical functioning, social functioning, and vitality

Sig lower than one study on body pain and 2 studies for mental health

Compared to surgical norms:

Lower vitality compared to both surgical groups, whilst comparison to one study also showed higher body pain, but worse mental health, physical function, and social functioning

 Martin [42]

20

N = 76

surgically treated

SF-36

Mean 18 months

Interquartile range 19 months

Comparison to normative data

Sig lower scores than norms for General health, vitality, role-physical, physical functioning, social

functioning

Time post-op (< 12 months >12 months) did not impact findings

Larger tumours = lower physical function

Older patients= lower physical and role-physical

Women = lower vitality, physical functioning, body pain

Number postoperative symptom was associated with all SF-36 scales except vitality and physical functioning (scores lower if more symptoms)

 Kelleher [43]

21

N = 54

29 active surveillance

19 surgery

6 SRS

2 died (unrelated)

SF-36

Median 36.8 months (range 14–176)

Comparison to normative data

Active surveillance vs norms:

No sig difference

Surgery vs norms:

Sig worse social function and role-physical

 Myrseth [44]

18

N = 189 (140 for analysis)

86 surgery

103 SRS

SF-36

GBI

Mean 6.7 years

range, 1.5–13.0

Comparison to normative data

GBI: Overall score for surgery sig lower than SRS

Sig higher for SRS than surgery on “general and psychosocial health”

No sig diffs for “social support” and “physical health status”

SF-36: patients sig lower than norms for role-physical and social functioning

Sig greater deviations below norms for surgery than SRS for physical functioning, role-physical, and role-emotional

SRS means > surgical means all other categories, but not sig

 Myrseth [45]

20

N = 199

45 surgery

63 SRS

91 active surveillance

SF-36

GBI

Not reported

Comparison to non-patient controls

SF-36 sig below norms range 0.006 (bodily pain) to less than 0.001 (remaining categories)

GBI negative benefit in general and physical sections and positive benefit in the social section

Vertigo, sig assoc’d with reduced QOL across all SF-36 scales and general and physical parts of GBI.

Tinnitus was associated with body pain, and unsteadiness with role physical and physical function

 MacAndie [46]

20

N = 42

Active surveillance

Controls from clinic

SF-36

Not reported

Comparison to matched controls from same clinic

QoL was comparable with an age- and sex-matched control group presenting with similar symptoms

Changes within a treatment modality (N = 8; mean QI = 19.25)

 Turel [47]

19

N = 100

Surgically treated

SF-36

GBI

Pre versus 1 and 2 year follow-ups

Pre vs 1 and 2 years post

Preoperative—decrease in all SF-36 domains, then improved at 1 year in all cases

63–85% patients show minimum clinically important difference (MCID) in various SF-36 domains

At 2 years SF-36 improvement sustained with further improvement in some domains. On GBI, 87% of patients reported improvement, 1% felt no change, and 12% reported deterioration

 Timmer [48]

19

N = 97

SRS (Gamma Knife)

SF-36

GBI

Pre vs post

Hearing and dizziness

SF-36 similar to norms (role physical and general health sig lower) and not correlated to age, gender, tumour size or radiation dose. Audio vestibular symptoms post-SRS correlated with decreased GBI and SF-36 scores

Slight reduced GBI pre to post

 Varughese [49]

17

N = 45

SRS (Gamma Knife)

Large tumour

SF-36

Pre vs post treatment

(mean 30.2 and 50 months post diag)

Diagnosis and Pre vs post

Significant improvements in body pain and general health, whilst social function was significantly reduced from pre to post treatment.

Mental health reduced significant from diagnosis to treatment and then increased (non sigh) post treatment

 Wangerid [50]

17

N = 98

SRS (Gamma Knife)

Small to medium tumour

EQ-5D

Median 104 months (11–165)

 

At end of the follow-up, mean QOL was calculated to 0.77 and median to 0.91 (1.0= best possible health state).

Median score was 1.0 for each subcategories (mobility, self-care, daily activities, pain/discomfort, anxiety/depression)

 Godefroy [51]

23

N = 41

Active surveillance

SF-36

Mean 40 months (range 11–73 months)

Diagnosis vs follow-up

SF-36 scores slightly deteriorated except for social

functioning, which was slightly improved

Follow-up scores did not differ sig from baseline

 Breivik [52]

23

N = 186

Active surveillance

(74 treated during follow-up)

SF-36

GBI

Medan 43 months (range 9–115 months; SD = 21.48

Pre vs post treatment

Active surveillance: slight but sig trend to improved SF-36 vitality and role-emotional, and GBI general and physical dimensions

Sig worse SF-36 Social functioning and GBI social dimension

Treatment: small but sig worse SF-36 physical functioning and role-emotional; and improved GBI total, general, and physical aspects

Examining symptoms, tumour volume, sex, age, and QOL: INCREASED vertigo related to reduced QOL through all dimensions in both questionnaires

Tinnitus was associated with 1 GBI and 4 SF-36 subscales

Females had sig lower values in both SF-36 and GBI (all scales) than men over time

 Fahy [53]

14

N = 51

surgically treated

GBI derivative

1–3 years post-surgery

Pre vs post-op

Relation to tinnitus

There was no statistically significant association of changes in tinnitus status and changes in the QoL post-op (P>0.05).

 Park [54]

22

N = 59

Post-SRS

SF-36

1-, 3-, 6-, 12-, and 18-month post-treatment

≥ 6 months, n = 46

≥ 12 months, n = 35

≥ 18 months, n = 16

No sig decline in QOL observed from baseline to any follow-up period

SF-36 overall at baseline was 73, with range 70–77 across follow-ups

Comparison between Treatment Modalities (N = 15; mean QI= 20.07)

 Nellis [55]

18

N = 216

98 surgery

118 active surveillance

RSES

BDI

VRQOL

Overall QoL on a visual analogue scale

(0–100, higher rating as more positive).

Post-diagnosis, pre-treatment decision

Choice to undergo resection vs active surveillance

No significant association between psychological factors (QoL, voice-related QoL depression, self-esteem) and decision to undergo surgery or pursue active surveillance

VRQoL sig lower in patients with hearing loss, difficulty swallowing liquids or solids, change in voice, and headache (p < 0.05)

 Lodder [56]

17

N = 359 BANA members

185 surgery

94 SRS or SRT

17 surgery + SRT

63 active surveillance

PANQOL

Up to > 10 years follow-up

Treatment approach

Length of follow-up

Composite QoL scores no significant group diff (p = 0.532: microsurgery 58 (SD=35), radiotherapy 56 (SD=18), surgery and radiotherapy 49 (SD= 14), observation only group 54 (SD 20)

Composite QOL score different sig (p < 0.001) by follow-up:

<6 years= 52 (SD =18),

6–10 years = 55 (SD =20)

> 10 years = 65 (SD = 45)

 Robinett [57]

22

N = 279

157 surgery

79 active surveillance

43 SRT

PANQOL

Mean follow-up 7.9 years

Surgery, SRT, active surveillance

Years follow-up (0–5, 6–10, > 10)

Composite QoL scores highest in SRT and lowest in active surveillance (means, 71, 73, 82), with SRT sig higher than the other two groups

When time interval included, sig diff was only present at 0–5 years

Within groups QoL sig reduced from 0–5 year to 6–10 years in SRT

 McLaughlin [58]

23

N = 186

98 active surveillance

49 SRS

39 surgery

PANQOL

Mean follow-up = 2.6 years

surgery vs

SRS vs

surveillance

Tumour size (mm) sig diff between groups: surveillance (8 ± 4.8), gamma (18 ± 5.9), surgery (22 ± 8.3) groups (p < 0.001)

Speech recognition threshold and speech discrimination % sig better for surveillance vs gamma or surgery (p < 0.001)

Hearing domain scores better for surveillance (62 ± 26) than surgery (47 ± 25)

General and total domain scores were similar across groups, QoL scores for gamma and surgery were similar

 DiMaio [59]

18

N = 205

134 surgery

48 SRS or SRT

47 active surveillance

SF-36

 

Pre vs post

Surgery vs SRS/SRT

vs active surveillance

SF-36 not sig diff between groups at baseline except for surgical with tumour > 3 cm, where scale scores were sig lower on role physical, vitality, social functioning, role-emotional, and the two dimensional scores (emotional and physical)

SF-36 no change baseline to follow-up for surveillance and radiation groups

SF-36 sig improved for surgical group (> 3 cm tumour) at 1.5 months and 24 months on composite mental and at 24 months on composite physical dimension

Asked: “the single most important factor affecting QOL right now”—roughly one third (across all groups) reported hearing to be the most important factor

 Myrseth [60]

22

N = 88

28 surgery

63 SRS

3 withdrew

SF-36

GBI

1- and 2-year post-tx follow-up

Surgery vs SRS

SF-36 and GBI no sig diffs bw groups at baseline

SF-36 did not change sig from baseline within any group nor did the groups differ sig.

GBI non-sig trend to better scores in SRS group at 1 year

Sig better GBI outcomes for gamma knife at 2 years

on general, physical, and total scores (latter 2 positive for SRS and negative for surgery group)

 Pollock [61]

24

N = 82

36 surgery

46 SRS

SF-36

(refer to as HSQ)

Mean 42 months

range 12–62

Assessed 3 and 12 months, and final follow-up

Surgery vs SRS

Sig changes in SF-36 for surgery group only

3 months: sig decline in SF-36 Physical function, role-physical, body pain, and physical composite

Sig increases in social function and vitality

1 year: sig declines from baseline for physical function and body pain

Final: Sig increase in mental health scale and mental composite score from 1 year, sig decrease in body pain from baseline

 Sandooram [62]

20

N = 33

15 surgery

18 active surveillance

SF-36

GBI

One- and 6-month post-op follow-up

Surgery vs active surveillance

SF-36: microsurgery sig increased vitality and health perception, and trend to better role- emotional from baseline to 6 months than active surveillance

GBI: surgery sig increase in social support

Score from baseline to 6 months

compared to active surveillance

   Sandooram [63]

21

N = 165

102 surgery

42 active surveillance (AS)

10 SRS

6 AS then SRS

5 AS then surgery

GBI

Range 0.2–15 years

Pre vs post

Comparison of Tx groups

Surgical deteriorated in QoL post- treatment

Active surveillance QoL maintain life they had at initial presentation

Trend towards poorer QoL post-surgery compared

to active surveillance (p = .070)

Slightly poorer QoL in SRS compared to active surveillance (p=0.121)

There was no statistically significant difference SRS vs surgery

Delayed surgery GBI total scores similar to surgical group

Delayed SRS had better QoL compared to SRS

Brooker [64]

21

N = 180

102 surgery

42 SRT

36 active surveillance

SF-12

GBI

≤ 5 years post-op but > 6 months post

Surgery vs

radiation vs surveillance

No sig diff SF-12 across microsurgery, radiation, and observation patients

More deterioration GBI general well-being in microsurgery vs radiation patients

More improvement in the GBI social support scale in microsurgery vs observation patients

No sig group diffs on GBI total or physical health scores

Number symptoms consistently predicts SF-12 and GBI scores

 Ning [65]

23

N = 100

50 translabyrinthine approach

50 retrosigmoid approach.

SF-36

1 month post-discharge

Surgical approach

retrosigmoid approach: sig higher social functioning, role-emotional, and mental health

Translabyrinthine approach: sig higher body pain and vitality

 Rameh [66]

15

N = 101

surgically treated

59 translabyrinthine approach

42 retrosigmoid approach

SF-36

Mean 5.9 years

Surgical approach

Both groups sig lower scores than norms

Pain correlated most with poorer QoL but was the least frequent symptom reported

Facial weakness not correlated with a poorer QOL

 Lin [67]

22

N =25 complete facial paralysis post-surgery

4 facial nerve repair during initial AN surgery

7 end-to-end nerve to hypoglossal anastomosis, 7 end-to-side with sural nerve, greater auricular nerve or interposition graft, 7 end-to-side facial nerve anastomosis with hyperglossal nerve

SF-36

Mean 11.5 years

Range 1–25 years

Comparison of nerve repair groupings

Patients in end-to-side interposition group had sig better QoL than those in end-to-end group for physical function( p = 0.04) and role-physical (p = 0.05)

No other sig differences found

 Carlson [68]

20

N = 1288

229 no treatment selected

303 active surveillance

185 SRS

507 surgery

64 surgery + SRS

PANQOL

Mean = 5 years (SD= 7.3)

surgery vs radiation vs surveillance vs no treatment yet selected

Adjusted for covariates PANQOL total: highest for AS (65; 95% CI: 62–68), lowest surgery + SRS (56; 51–61) or no treatment selected (58; 55–62), intermediate for single treatment (microsurgery 60; 58–62); radiosurgery 61; 57–64) (p = 0.001)

No sig differences between SRS + surgery and single treatment in total

PANQOL scores for short (0–5 years), intermediate (6–10 years), or long-term (> 11 years) after adjust for baseline covariates (p’s > 0.05)

 Henzel [69]

15

N = 74

35 SRS

39 SRT

SF-36

Median 50 months

SRS vs SRT in relation to tumour volume shrinkage

No sig differences observed after SRS/SRT. Previous operations and gender did not affect QoL (p > 0.05) Compared to German norms, all QoL domains were worse except for mental health

Alternative approaches to QoL measurement (N = 2; mean QI= 12.0)

 Brooker [70]

15

N =21

8 surgery

4 SRS

5 SRT

2 Surgery +SRS

1 Surgery + SRT

1 active surveillance

Focus groups with thematic analysis

Mean = 3.7 years

Range 1–11 years

N/A

Themes (subthemes):

1) Physical symptoms (hearing loss, balance problems, fatigue, tinnitus, fatigue assoc’d with hearing, balance and facial paralysis).

2) Psychological wellbeing (anger/frustration, depression, anxiety/uncertainty, body image, gratitude relief and psychological benefit). Higher psychological wellbeing assoc’d with less severe physical symptoms, and “received a good treatment outcome’

3) Social wellbeing (social interactions were negatively impacted by hearing impairment and balance disturbance, but not facial paralysis)

4) Functional status (activities of daily living and occupational status)

5) Psychosocial factors influencing adjustment (individual differences and social support)

 Bateman [71]

9

N = 53

Post- surgical

Questions tied to WHO framework on impairment disability, handicap

>1 year

Range 1–3 years

 

For handicap, social isolation emerged as a strong theme

15/43 (35%) were reluctant to attend large social gatherings

Employment was also important with 7/43 (16%)

  1. AN acoustic neuroma, BDI Beck Depression Inventory, EQ-5D European Quality of Life–5 dimensions, GBI Glasgow Benefit Inventory, HSQ Health Status Questionnaire, PANQOL Penn Acoustic Neuroma QOL, RSES Rosenberg Self-Esteem Scale, SAS Zung Self-Rating Anxiety Scale, SDS Zung Self-Rating Depression Scale, SF-36 Short form 36, SF-12 Short form 12, Sig significant, SRS stereotactic radiosurgery, SRT stereotactic radiation therapy, VRQOL Voice-Related Quality of Life, WHO World Health Organisation
  2. aQuality Index Scores [23] range from 0 to 31 with higher scores indicating better quality; comprised of 9 items on reporting, 3 on external validity, 7 on bias in outcomes measurement, 6 on bias in subject selection, and 1 on power to detect real effects